Ram 1500 · Model year 2021
2021 Ram 1500 specs, maintenance & manuals
Owner and shopper reference for the 2021 Ram 1500, built from Stellantis and Mopar data: the factory spec sheet, the maintenance schedule, fluid capacities and 14 manufacturer publications, plus a tow rating of up to 12,750 lb.
- Max towing
- 12,750 lb
- Schedule covers
- 150k miles
- Publications
- 14
2021 Ram 1500 specs & features
Engines, gear ratios, suspension, brakes, dimensions and capacities as published in the manufacturer's 2021 specification sheets.
General information+−
| Vehicle Type | Quad Cab and Crew Cab: 4x2, 4x4 |
| Assembly Plant | Sterling Heights Assembly Plant, Sterling Heights, Michigan |
| EPA Vehicle Class | Standard Pickup |
Body/chassis+−
| Layout | 4x2 — Longitudinal, front engine; 4x4 — Longitudinal, front engine, transfer case |
| Construction | 4x2 — Ladder-type frame, steel cab, double-wall steel pickup box; 4x4 — Ladder-type frame, steel cab, double-wall steel pickup box |
Engine: 3.6-liter Pentastar V-6 with eTorque+−
| Type and Description | 60-degree gasoline V-6 with variable valve timing, V-type, liquid-cooled |
| Hybrid Battery | 48-volt, 12-cell lithium-ion, nickel manganese cobalt (NMC) graphite chemistry, .43 kWh |
| Belt-starter Generator | 9kW power, 90 lb.-ft. launch torque |
| Displacement | 220 cu. in. (3,604 cu. cm) |
| Bore x Stroke | 3.78 x 3.27 (96.0 x 83.0) |
| Valve System | Chain-driven DOHC, 24 valves and hydraulic end-pivot roller rockers |
| Fuel Injection | Sequential, multiport, electronic, returnless |
| Construction | Aluminum deep-skirt block, aluminum alloy heads |
| Compression Ratio | 11.3:1 |
| Power | 305 hp (224 kW) @ 6,400 rpm |
| Torque | 269 lb.-ft. (364 N•m) @ 4,800 rpm |
| Max. Engine Speed | 6,400 rpm (electronically limited) |
| Fuel Requirement | Unleaded regular, 87 octane |
| Oil Capacity | 6.0 quarts (5.7 liters) |
| Coolant Capacity | 14.0 quarts (13.25 liters) |
| Emission Controls | Dual three-way catalytic converters, heated oxygen sensors |
| EPA Fuel Economy mpg (city/hwy) | 20/25 |
Engine: 3.0-liter EcoDiesel V-6+−
| Type and Description | 90-degree diesel V-6 |
| Displacement | 182 cu. in. (2,988 cu. cm) |
| Bore x Stroke | 3.27 x 3.60 (83 x 92) |
| Valve System | Chain driven DOHC, 24 valves |
| Fuel Injection | Common rail, 29,000 psi (2000 bar), solenoid injectors |
| Construction | Cast-iron block, aluminum alloy heads |
| Compression Ratio | 16.0:1 |
| Power | 260 hp (194 kW) @ 3,600 rpm |
| Torque | 480 lb.-ft. (651 N•m) @ 1,600 rpm |
| Max. Engine Speed | 5,800 rpm |
| Fuel Requirement | Ultra-low sulfur diesel |
| Oil Capacity | 10.5 quarts (7.8 liters) |
| Coolant Capacity | 12.0 quarts (11.4 liters) |
| Emission Controls | Cooled EGR, oxidation catalyst, diesel particulate filter, SCR with urea injection |
| EPA Fuel Economy mpg (city/hwy) | 22/32 |
Engine: 5.7-liter HEMI V-8+−
| Type and Description | 90-degree gasoline, V-8 with variable cam timing |
| Displacement | 345 cu. in. (5,654 cu. cm) |
| Bore x Stroke | 3.92 x 3.58 (99.5 x 90.9) |
| Valve System | Variable-cam timing, pushrod-operated overhead valves, 16 valves, hydraulic lifters with roller followers |
| Fuel Injection | Sequential, multiport, electronic, returnless |
| Construction | Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers |
| Compression Ratio | 10.5:1 |
| Power | 395 hp (291 kW) @ 5,600 rpm |
| Torque | 410 lb.-ft. (556 N•m) @ 3,950 rpm |
| Max. Engine Speed | 5,800 rpm |
| Fuel Requirement | Unleaded mid-grade, 89 octane — recommended; Unleaded regular, 87 octane — acceptable |
| Oil Capacity | 7.0 quarts (6.6 liters) |
| Coolant Capacity | 14.0 quarts (13.33 liters) |
| Emission Controls | Three-way catalytic converters, heated oxygen sensors and internal engine features |
| EPA Fuel Economy mpg (city/hwy) | 15/22 |
Engine: 5.7-liter HEMI V-8 eTorque+−
| Type and Description | 90-degree gasoline V-8 with variable cam timing |
| Hybrid Battery | 48-volt, 12-cell lithium-ion, nickel manganese cobalt (NMC) graphite chemistry, .43 kWh |
| Belt-starter Generator | 12kW power, 130 lb.-ft. launch torque |
| Displacement | 345 cu. in. (5,654 cu. cm) |
| Bore x Stroke | 3.92 x 3.58 (99.5 x 90.9) |
| Valve System | Variable-cam timing, pushrod-operated overhead valves, 16 valves, hydraulic lifters with roller followers |
| Fuel Injection | Sequential, multiport, electronic, returnless |
| Construction | Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum-alloy heads with hemispherical combustion chambers |
| Compression Ratio | 10.5:1 |
| Power | 395 hp (291 kW) @ 5,600 rpm |
| Torque | 410 lb.-ft. (556 N•m) @ 3,950 rpm |
| Max. Engine Speed | 5,800 rpm |
| Fuel Requirement | Unleaded mid-grade, 89 octane — recommended; Unleaded regular, 87 octane — acceptable |
| Oil Capacity | 7.0 quarts (6.6 liters) |
| Coolant Capacity | 14.0 quarts (13.33 liters) |
| Emission Controls | Three-way catalytic converters, heated oxygen sensors and internal engine features |
| EPA Fuel Economy mpg (city/hwy) | 17/23 |
Transmission: TorqueFlite 850RE eight-speed automatic+−
| Availability | Standard with 3.6-liter Pentastar V-6 |
| Description | Adaptive electronic control, automatic or Electronic Range Select (ERS) manual control. Five-clutch-pack design with only two open clutches in any gear. Torque converter lock with turbine torsional damper for low lock-up speeds in 1st through 8th gear |
| 1st | 4.71 |
| 2nd | 3.14 |
| 3rd | 2.10 |
| 4th | 1.67 |
| 5th | 1.29 |
| 6th | 1.00 |
| 7th | 0.84 |
| 8th | 0.67 |
| Reverse | 3.30 |
| Axle Ratios | 3.21, 3.55, 3.92 (Rebel only) |
Transmission: TorqueFlite 8HP75 eight-speed automatic+−
| Availability | Standard with 3.0-liter EcoDiesel V-6, 5.7-liter HEMI V-8 and 5.7-liter V-8 with eTorque |
| Description | Adaptive electronic control, automatic or ERS manual control. Five-clutch-pack design with only two open clutches in any gear. Torque converter lock with turbine torsional damper for low lock-up speeds in 1st through 8th gear |
| 1st | 4.71 |
| 2nd | 3.14 |
| 3rd | 2.10 |
| 4th | 1.67 |
| 5th | 1.29 |
| 6th | 1.00 |
| 7th | 0.84 |
| 8th | 0.67 |
| Reverse | 3.30 |
| Axle Ratios | 3.21, 3.55 (excluding 5.7-liter HEMI V-8), 3.92 |
Transfer case: BW 48-12 part-time+−
| Availability | 3.6-liter Pentastar V-6 4x4 with eTorque, 3.0-liter EcoDiesel V-6, 5.7-liter HEMI V-8 4x4 and 5.7-liter HEMI V-8 with eTorque assist |
| Shift Mechanism | Electric |
| Available Speeds | Two-speed |
| Operating Modes | 2WD High; 4WD High, Locked; Neutral; 4WD Low, Locked |
| Low-range Ratio | 2.64 |
| Center Differential Type | None |
Transfer case: BW 48-11 on-demand+−
| Availability | 3.0-liter EcoDiesel V-6, 5.7-liter HEMI V-8 4x4 and 5.7-liter HEMI V-8 with eTorque assist |
| Shift Mechanism | Electric |
| Available Speeds | Two-speed |
| Operating Modes | 2WD High; 4WD Auto; 4WD High, Locked; Neutral; 4WD Low, Locked |
| Low-range Ratio | 2.64 |
| Center Differential Type | None |
Axles+−
| Front | 215mm |
| Rear | 235mm (standard) with available open, limited-slip or electronic-locking differential; 256mm (optional max tow with Dana Super 60 center section) |
| Available Ratios | 3.21, 3.55, 3.92 |
Electrical system+−
| Architecture | Powernet |
| Alternator | 160-amp, 180-amp, 220-amp (Special Services Package) |
| Battery | Group 94R, low-maintenance H7 730 CCA |
Suspension+−
| Front | Upper and lower A-arms, coil springs, twin-tube shock absorbers and stabilizer bar. Optional air suspension replaces twin-tube shock absorbers and progressive rate coil springs |
| Rear | Five-link with track bar, progressive rate coil springs, stabilizer bar, twin-tube shock absorbers, solid axle. Optional air suspension replaces progressive rate coil springs |
Brakes+−
| Front: Size and Type | 14.9 x 1.2 (378 x 30) vented disc with 2.2 in. (57 mm) two-piston pin-slider caliper and anti-lock braking system (ABS) |
| Front: Swept Area | 493.6 sq.in. (3,184 sq.cm) |
| Rear: Size and Type | 14.8 x 0.87 (375 x 22) disc with 2.2 in. (57 mm) single-piston pin-slider caliper and ABS |
| Rear: Swept Area | 367.6 sq.in. (2,371.9 sq.cm) |
| Power-assist | Dual-rate, tandem diaphragm vacuum |
Steering+−
| Power assist | Electric power steering |
Air bags+−
| Quad Cab | 6 |
| Crew Cab | 6 |
Cargo box+−
| 5ft., 7in. (Crew) | 6ft., 4in. (Regular, Quad or Crew) | |
|---|---|---|
| SAE volume, cu. ft. (cu m) | 53.9 (1.5) | 61.5 (1.7) |
| Length-at-Floor, Tailgate Closed | 67.4 (1,711) | 76.3 (1,937) |
| Cargo Width | 66.4 (1,687) | 66.4 (1,687) |
| Distance Between Wheelhouses | 51.0 (1,295) | 51.0 (1,295) |
| Depth | 21.4 (543) | 21.5 (545) |
| Tailgate Opening Width | 60.0 (1,525) | 60.0 (1,525) |
Exterior dimensions: Quad Cab pickup, 6ft., 4in. box+−
| 4x2 - 275/55R20 | 4x4 - 275/55R20 | |
|---|---|---|
| Wheelbase (nominal) | 140.5 (3,569) | 140.5 (3,569) |
| Track, Front | 68.5 (1,741) | 68.5 (1,741) |
| Track, Rear | 68.1 (1,729) | 68.1 (1,729) |
| Overall Length | 228.9 (5,814) | 228.9 (5,814) |
| Overall Width | 82.1 (2,084) | 82.1 (2,084) |
| Overall Height | 77.6 (1,971) | 77.7 (1,973) |
Ground clearance: Quad Cab pickup, 6ft., 4in. box+−
| 4x2 - 275/55R20 | 4x4 - 275/55R20 | |
|---|---|---|
| Front Axle | 7.8 (199) | 8.2 (208) |
| Rear Axle | 8.7 (221) | 8.7 (221) |
| Open Tailgate to Ground | 34.6 (979) | 34.4 (875) |
| Pickup Body Height | 21.4 (545) | 21.4 (545) |
| Approach Angle, degrees | 18.1 | 18.9 |
| Departure Angle, degrees | 25.2 | 25.0 |
| Ramp Breakover Angle Without Skid Plate, degrees | 19.5 | 19.9 |
| Ramp Breakover Angle With Skid Plate, degrees | — | 17.8 |
| Ground Clearance Without Skid Plate | 8.4 (213) | 8.7 (221) |
| Ground Clearance With Skid Plate | — | 8.2 (208) |
| Fuel Tank Capacity | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) |
Exterior dimensions: Quad Cab pickup, 6ft., 4in. box, air suspension, 4x2 and 4x4 (tire size 275/55R20)+−
| Entry / exit | Normal ride height | Off road 1 | Off road 2 | |
|---|---|---|---|---|
| Wheelbase (nominal) | 140.5 (3,569) | 140.5 (3569) | 140.5 (3,569) | 140.5 (3,569) |
| Track, Front | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) |
| Track, Rear | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) |
| Overall Length | 228.9 (5,814) | 228.9 (5,814) | 228.9 (5,814) | 228.9 (5,814) |
| Overall Width | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) |
| Overall Height | 75.9 (1,927) | 77.7 (1,973) | 78.7 (1,998) | 79.7 (2,025) |
| Front Axle | 8.2 (208) | 8.2 (208) | 8.2 (208) | 8.2 (208) |
| Rear Axle | 8.7 (221) | 8.7 (221) | 8.7 (221) | 8.7 (221) |
| Open Tailgate to Ground | 32.9 (836) | 34.4 (875) | 35.1 (893) | 36.4 (925) |
| Pickup Body Height | 21.4 (545) | 21.4 (545) | 21.4 (545) | 21.4 (545) |
| Approach Angle, degrees | 14.4 | 18.9 | 21.5 | 23.1 |
| Departure Angle, degrees | 22.5 | 25.0 | 25.9 | 27.3 |
| Ramp Breakover Angle Without Skid Plate, degrees | 16.5 | 19.9 | 21.8 | 23.5 |
| Ramp Breakover Angle With Skid Plate, degrees | 14.4 | 17.8 | 19.7 | 21.3 |
| Ground Clearance Without Skid Plate | 6.7 (169) | 8.7 (221) | 9.9 (251) | 10.7 (273) |
| Ground Clearance With Skid Plate | 6.1 (156) | 8.2 (208) | 9.4 (238) | 10.2 (260) |
| Fuel Tank Capacity | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) |
Column headings are the air-suspension modes.
Exterior dimensions: Crew Cab pickup (tire size 275/55R20)+−
| 4x2 - 5ft., 7in. box | 4x2 - 6ft., 4in. box | 4x4 - 5ft., 7in. box | 4x4 - 6ft., 4in. box | |
|---|---|---|---|---|
| Wheelbase (nominal) | 144.6 (3,672) | 153.5 (3,898) | 144.6 (3,672) | 153.5 (3,898) |
| Track, Front | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) |
| Track, Rear | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) |
| Overall Length | 232.9 (5,916) | 241.8 (6,142) | 232.9 (5,916) | 241.8 (6,142) |
| Overall Width | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) |
| Overall Height | 77.5 (1,968) | 77.4 (1,966) | 77.6 (1,971) | 77.5 (1,968) |
Ground clearance: Crew Cab pickup (tire size 275/55R20)+−
| 4x2 - 5ft., 7in. box | 4x2 - 6ft., 4in. box | 4x4 - 5ft., 7in. box | 4x4 - 6ft., 4in. box | |
|---|---|---|---|---|
| Front Axle | 7.8 (199) | 7.8 (199) | 8.2 (209) | 8.1 (207) |
| Rear Axle | 8.6 (220) | 8.7 (220) | 8.7 (220) | 8.6 (220) |
| Open Tailgate to Ground | 34.5 (877) | 34.4 (875) | 34.3 (872) | 34.3 (871) |
| Pickup Body Height | 21.4 (543) | 21.4 (545) | 21.4 (543) | 21.4 (545) |
| Approach Angle, degrees | 18.0 | 18.1 | 19.0 | 18.9 |
| Departure Angle, degrees | 25.1 | 25.0 | 24.9 | 24.9 |
| Ramp Breakover Angle Without Skid Plate, degrees | 19.0 | 18.4 | 19.5 | 18.7 |
| Ramp Breakover Angle With Skid Plate, degrees | — | — | 17.5 | 16.7 |
| Ground Clearance Without Skid Plate | 8.3 (211) | 8.3 (212) | 8.7 (222) | 8.6 (220) |
| Ground Clearance With Skid Plate | — | — | 8.2 (209) | 8.1 (207) |
| Fuel Tank Capacity | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) |
Exterior dimensions: Crew Cab, 5ft., 7in. box, air suspension, 4x2 and 4x4 (tire size 275/55R20)+−
| Entry / exit | Normal ride height | Off road 1 | Off road 2 | |
|---|---|---|---|---|
| Wheelbase (nominal) | 144.6 (3,672) | 144.6 (3,672) | 144.6 (3,672) | 144.6 (3,672) |
| Track, Front | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) |
| Track, Rear | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) |
| Overall Length | 232.9 (5,916) | 232.9 (5,916) | 232.9 (5,916) | 232.9 (5,916) |
| Overall Width | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) |
| Overall Height | 75.8 (1,926) | 77.6 (1,971) | 78.6 (1,996) | 79.6 (2,023) |
| Front Axle | 8.2 (209) | 8.2 (209) | 8.2 (209) | 8.2 (209) |
| Rear Axle | 8.7 (220) | 8.7 (220) | 8.7 (220) | 8.7 (220) |
| Open Tailgate to Ground | 32.8 (833) | 34.3 (872) | 35.0 (890) | 36.3 (923) |
| Pickup Body Height | 21.4 (543) | 21.4 (543) | 21.4 (543) | 21.4 (543) |
| Approach Angle, degrees | 14.6 | 19.0 | 21.7 | 23.3 |
| Departure Angle, degrees | 22.4 | 24.9 | 25.8 | 27.2 |
| Ramp Breakover Angle Without Skid Plate, degrees | 16.2 | 19.5 | 21.4 | 23.0 |
| Ramp Breakover Angle With Skid Plate, degrees | 14.2 | 17.5 | 19.3 | 21.0 |
| Ground Clearance Without Skid Plate | 6.7 (170) | 8.7 (222) | 9.9 (252) | 10.8 (273) |
| Ground Clearance With Skid Plate | 6.2 (157) | 8.2 (209) | 9.4 (239) | 10.3 (261) |
| Fuel Tank Capacity | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) |
Column headings are the air-suspension modes.
Exterior dimensions: Crew Cab, 6ft., 4in. box, air suspension, 4x2 and 4x4 (tire size 275/55R20)+−
| Entry / exit | Normal ride height | Off road 1 | Off road 2 | |
|---|---|---|---|---|
| Wheelbase (nominal) | 153.5 (3,898) | 153.5 (3,898) | 153.5 (3,898) | 153.5 (3,898) |
| Track, Front | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) | 68.5 (1,741) |
| Track, Rear | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) | 68.1 (1,729) |
| Overall Length | 241.8 (6,142) | 241.8 (6,142) | 241.8 (6,142) | 241.8 (6,142) |
| Overall Width | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) | 82.1 (2,084) |
| Overall Height | 75.7 (1,922) | 77.5 (1,968) | 78.4 (1,993) | 79.5 (2,019) |
| Front Axle | 8.1 (207) | 8.1 (207) | 8.1 (207) | 8.1 (207) |
| Rear Axle | 8.6 (220) | 8.6 (220) | 8.6 (220) | 8.6 (220) |
| Open Tailgate to Ground | 32.7 (832) | 34.3 (871) | 35.0 (889) | 36.3 (922) |
| Pickup Body Height | 21.4 (545) | 21.4 (545) | 21.4 (545) | 21.4 (545) |
| Approach Angle, degrees | 14.5 | 18.9 | 21.5 | 23.1 |
| Departure Angle, degrees | 22.7 | 24.9 | 25.8 | 27.1 |
| Ramp Breakover Angle Without Skid Plate, degrees | 15.5 | 18.7 | 20.6 | 22.1 |
| Ramp Breakover Angle With Skid Plate, degrees | 13.5 | 16.7 | 18.5 | 20.1 |
| Ground Clearance Without Skid Plate | 6.6 (168) | 8.6 (220) | 9.8 (250) | 10.7 (271) |
| Ground Clearance With Skid Plate | 6.1 (155) | 8.1 (207) | 9.3 (237) | 10.2 (259) |
| Fuel Tank Capacity | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) | 23-gal. (87-liter) (standard); 26-gal. (98-liter) (standard); 33-gal. (125-liter) (optional) |
Column headings are the air-suspension modes.
Interior dimensions: accommodations+−
| Quad Cab | Crew Cab | |
|---|---|---|
| Seating Capacity, F/R | 3/3 | 3/3 |
Interior dimensions: front+−
| Quad Cab | Crew Cab | |
|---|---|---|
| Headroom | 40.9 (1,038) | 40.9 (1,038) |
| Legroom | 40.9 (1,040) | 40.9 (1,040) |
| Shoulder Room | 66.0 (1,676) | 66.0 (1,676) |
| Hip Room | 63.4 (1,610) | 63.4 (1,610) |
| Seat Travel | 8.7 (220) | 8.7 (220) |
| Recliner Range (degrees) | Total travel 71 degrees (from full forward); 18 degrees forward (from design); 53 degrees rearward (from design) | Total travel 71 degrees (from full forward); 18 degrees forward (from design); 53 degrees rearward (from design) |
Interior dimensions: rear+−
| Quad Cab | Crew Cab | |
|---|---|---|
| Headroom | 39.2 (995) | 39.8 (1,011) |
| Legroom | 35.6 (903) | 45.2 (1,147) |
| Shoulder Room | 65.7 (1,668) | 65.7 (1,670) |
| Hip Room | 63.4 (1,610) | 63.4 (1,611) |
Interior volume+−
| Quad Cab | Crew Cab | |
|---|---|---|
| Front – cu. ft. (cu m) | 63.9 (1.8) | 63.9 (1.8) |
| Rear – cu. ft. (cu m) | 53.3 (1.5) | 68.5 (1.9) |
Steering specifications: Quad Cab pickup+−
| 2WD short bed | 2WD long bed | 4WD short bed | 4WD long bed | 4WD Rebel | |
|---|---|---|---|---|---|
| Wheelbase (nominal; in/mm) | 140.5 / 3,569 | 140.5 / 3,569 | 140.5 / 3,569 | 140.5 / 3,569 | 140.5 / 3,569 |
| Overall Ratio | 16.3:1 | 16.3:1 | 16.3:1 | 16.3:1 | 17.8:1 |
| Steering Wheel Turns (lock-to-lock) | 3.1 | 3.1 | 3.1 | 3.1 | 3.4 |
| 18-in. Tire Turning Diameter (ft. / M)* | 46.2 / 14.1 | 46.2 / 14.1 | 46.2 / 14.1 | 46.2 / 14.1 | 46.2 / 14.1 |
| 20-in. Tire Turning Diameter (ft. / M)* | 45.1 / 13.74 | 45.1 / 13.74 | 45.1 / 13.74 | 45.1 / 13.74 | — |
Curb-to-curb turning diameter is measured at the outside of the tires at curb height; turning diameters and lock-to-lock turns may differ with optional tires and wheels.
Steering specifications: Crew Cab pickup+−
| 2WD short bed | 2WD long bed | 4WD short bed | 4WD long bed | 4WD Rebel | |
|---|---|---|---|---|---|
| Wheelbase (nominal) | 144.6 / 3,672 | 153.5 / 3,898 | 144.6 / 3,572 | 153.5 / 3,898 | 144.6 / 3,572 |
| Overall Ratio | 16.3:1 | 15.5:1 | 16.3:1 | 15.5:1 | 17.8:1 |
| Steering Wheel Turns (lock-to-lock) | 3.1 | 2.9 | 3.1 | 2.9 | 3.4 |
| 18-in. Tire Turning Diameter (ft. / M)* | 46.2 / 14.08 | 48.7 / 14.84 | 46.2 / 14.08 | 48.7 / 14.84 | 46.2 / 14.1 |
| 20-in. Tire Turning Diameter (ft. / M)* | 46.2 / 14.08 | 48.7 / 14.84 | 46.2 / 14.08 | 48.7 / 14.84 | — |
Curb-to-curb turning diameter is measured at the outside of the tires at curb height; turning diameters and lock-to-lock turns may differ with optional tires and wheels.
Source: 2021 Ram 1500 Specifications (Stellantis media site).
General information+−
| Vehicle Type | Crew Cab: 4x4 |
| Assembly Plant | Sterling Heights Assembly Plant, Sterling Heights, Michigan |
| EPA Vehicle Class | Standard Pickup |
Body/chassis+−
| 4x4 — Longitudinal, front engine, transfer case, ladder-type frame, steel cab, double-wall steel pickup box |
Engine: 6.2-liter HEMI supercharged V-8+−
| Type and Description | 90-degree V-type, liquid-cooled |
| Displacement | 376 cu. in. (6,166 cu. cm) |
| Bore x Stroke | 4.09 x 3.58 (103.9 x 90.9) |
| Valve System | Pushrod-operated overhead valves, 16 valves with sodium-filled exhaust valves and hollow stem intake valves, 16 conventional hydraulic lifters, all with roller tips |
| Fuel Injection | Sequential, multiport, electronic, returnless |
| Construction | Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum-alloy heads with hemispherical combustion chambers |
| Compression Ratio | 9.5:1 |
| Power (SAE J2723) | 702 hp (523 kW) @ 6,100 rpm |
| Torque (SAE J2723) | 650 lb.-ft. (882 Nm) @ 4,800 rpm |
| Max. Engine Speed | 6,200 rpm (electronically limited) |
| Fuel Requirement | Premium 91 octane (R+M)/2 — required |
| Oil Capacity | 7.9 quarts (7.4 liters) |
| Coolant Capacity | 15.0 quarts (14.4 liters) |
| Factory Oil Fill | 0W-40 Pennzoil Ultra synthetic |
| Emission Controls | Dual close-coupled two-way catalytic converters heated wide-range upstream and switching downstream O2 sensors and internal engine features |
| Exhaust Type | Dual 3-in. straight-thru exhaust system with dual 5-in. Black tips |
| EPA Fuel Economy mpg (city / hwy / combined) | 10 city / 14 highway / 12 combined |
| Assembly Plant | Saltillo Engine Plant, Saltillo, Mexico |
Transmission: TorqueFlite 8HP95 eight-speed automatic+−
| Availability | Standard with 6.2-liter HEMI supercharger V-8 |
| Description | Adaptive electronic control with full manual control via gear selector or paddle shifters with six TRX-unique selectable modes: Sport, Snow, Tow, Mud, Baja and Auto (features performance shifting and gear holding feature) |
| 1st | 4.71 |
| 2nd | 3.14 |
| 3rd | 2.11 |
| 4th | 1.67 |
| 5th | 1.29 |
| 6th | 1.00 |
| 7th | 0.84 |
| 8th | 0.67 |
| Reverse | 3.30 |
| Final Drive Ratio | 2.62 |
| Overall Top Gear | 1.76 |
| Axle Ratios | 3.55 |
Transfer case: BW 48-13 full-time+−
| Availability | 6.2-liter HEMI supercharged V-8 4x4 |
| Shift Mechanism | Electric |
| Available Speeds | Two-speed |
| Operating Modes | 4WD Auto, 4WD High, Locked; Neutral; 4WD Low, Locked |
| Torque Split, Front/Rear | Variable – 40/60 Auto, 45/55 Snow, 45/55 Tow, 30/70 Sport, 25/75 Baja, 45/55 Mud/Sand and 50/50 Rock (in 4L) |
| Low-range Ratio | 2.64 |
| Center Differential Type | None |
Axles+−
| Front | 8.5 (215) |
| Rear | 10.1 (256) Dana 60 with available open, limited slip or electronic locking differential |
| Available Ratios | 3.55 |
Electrical system+−
| Architecture | Powernet |
| Alternator | 250-amp |
| Battery | H7 AGM 80AH 800CCA |
Suspension+−
| Front | Upper and lower A-arms, coil springs, Bilstein e2 Blackhawk active performance shock absorber |
| Rear | Five-link with track bar, coil springs, Bilstein e2 Blackhawk active damping twin-tube performance shock absorbers, solid axle |
Brakes+−
| Front: Size and Type | 15 x 1.2 (378 x 30) inverted hat (outboard venting) rotors with 2.2 in. (57 mm) two-piston pin-slider caliper and anti-lock braking system (ABS) |
| Front: Swept Area | 493.6 sq.in. (3,184 sq.cm) |
| Rear: Size and Type | 15 x 0.87 (375 x 22) disc with 2.2 in. (57 mm) single-piston pin-slider caliper and ABS |
| Rear: Swept Area | 367.6 sq.in. (2,371.9 sq.cm) |
| Power-assist | Dual-rate, tandem diaphragm vacuum |
Steering+−
| Power assist | Electric power steering |
Air bags+−
| Crew Cab | 6 |
Cargo box+−
| 5ft., 7in. (Crew) | |
|---|---|
| SAE volume, cu. ft. (cu m) | 53.9 (1.5) |
| Length-at-Floor, Tailgate Closed | 67.4 (1,711) |
| Cargo Width | 66.4 (1,687) |
| Distance Between Wheelhouses | 51.0 (1,295) |
| Depth | 21.4 (543) |
| Tailgate Opening Width | 60.0 (1,525) |
Exterior dimensions: Crew Cab pickup, 5ft., 7in. box+−
| 4x4 – 325/65/R18 | |
|---|---|
| Wheelbase (nominal) | 145.1 (3685.5) |
| Track, Front | 74.5 (1892.3) |
| Track, Rear | 74.1 (1882.14) |
| Overall Length | 232.9 (5,916) |
| Overall Width | 88 (2,235.2) |
| Overall Height | 80.9 (2054.86) |
Ground clearance+−
| Front Axle | 9.4 (238.8) |
| Rear Axle | 8.0 (203.2) |
| Open Tailgate to Ground | 38.1 (967) |
| Approach Angle, degrees | 30.2 |
| Departure Angle, degrees | 23.5 |
| Ramp Breakover Angle, degrees | 21.9 |
| Ground Clearance With Skid Plate | 11.8 (299.7) |
| Fuel Tank Capacity | 33-gal. (125-liter) (standard) |
Interior dimensions: accommodations+−
| Seating Capacity, F/R | 2/3 |
Interior dimensions: front+−
| Headroom | 40.9 (1,038) |
| Legroom | 40.9 (1,040) |
| Shoulder Room | 66.0 (1,676) |
| Hip Room | 63.4 (1,610) |
| Seat Travel | 8.7 (220) |
| Recliner Range (degrees) | Total travel 71 degrees (from full forward); 18 degrees forward (from design); 53 degrees rearward (from design) |
Interior dimensions: rear+−
| Headroom | 39.8 (1,011) |
| Legroom | 45.2 (1,147) |
| Shoulder Room | 65.7 (1,670) |
| Hip Room | 63.4 (1,611) |
Interior volume+−
| Front – cu. ft. (cu m) | 63.9 (1.8) |
| Rear – cu. ft. (cu m) | 68.5 (1.9) |
Steering specifications: TRX 4WD+−
| Wheelbase (nominal) | 145.1 / 3685.5 |
| Overall Ratio | 16.3:1 |
| Steering Wheel Turns (lock-to-lock) | 3.1 |
| 18-in. Wheel Turning Diameter (ft. / M)* | 48.3 / 14.7 |
| Curb weight | 6,350 lbs. |
Curb-to-curb turning diameter is measured at the outside of the tires at curb height; turning diameters and lock-to-lock turns may differ with optional tires and wheels.
Source: 2021 Ram 1500 TRX Specifications (Stellantis media site).
Which equipment is standard, optional or part of a package on each trim, from the manufacturer's 2021 feature availability guide.
Showing 64 of 69 features. ✓ Standard OptionalPkg Part of a package— Not available
| Feature | Tradesman | HFE | Big Horn/Lone Star | Rebel | Laramie | Laramie Longhorn | Limited |
|---|---|---|---|---|---|---|---|
| Configuration | |||||||
| Body ModelQuad Cab 6-ft. 4-in. box — 140.5-in. wheelbase (on Rebel models, only available as 4x4) | ✓ | ✓ | ✓ | ✓ | ✓ | — | — |
| Crew Cab 5-ft. 7-in. box — 144.5-in. wheelbase | — | ✓ | ✓ | ||||
| Crew Cab 6-ft. 4-in. box — 153.5-in. wheelbase | — | — | |||||
| Drive4x4 | — | ||||||
| Powertrain | |||||||
| Engine / Transmissions3.6-liter V-6 Pentastar, eight-speed automatic transmission and eTorque | ✓ | ✓ | ✓ | ✓ | — | — | — |
| 3.0-liter V-6 EcoDiesel, eight-speed automatic transmission | — | ||||||
| 5.7-liter V-8 HEMI, eight-speed automatic transmission | — | ✓ | ✓ | ✓ | |||
| 5.7-liter V-8 HEMI, eight-speed automatic transmission and eTorque | — | O/P | O/P | O/P | |||
| Mechanical | |||||||
| Rear Axle3.21 axle ratio | ✓ | ✓ | ✓ | — | ✓ | ✓ | ✓ |
| 3.55 axle ratio | — | — | |||||
| 3.92 axle ratio | — | ✓ | |||||
| Max towing 9.75-in. axle with 3.92 axle ratio (included in Max Towing Package) | Pkg | — | Pkg | — | Pkg | — | — |
| DifferentialElectronic-locking differential (raised ride height available on all axle ratios; standard ride height available only on 3.92 axle ratio; included with 4x4 Off-road Group) | O/P | — | O/P | ✓ | O/P | O/P | O/P |
| Anti-spin differential (electronic locking and anti-spin are mutually exclusive) | — | — | |||||
| Suspension | |||||||
| Active-level four-corner air suspension system (Rebel: optional on 4x4 Crew Cabs with 5.7-liter only) | — | ✓ | |||||
| Transfer Case | |||||||
| Electronic part-time | ✓ | — | — | ✓ | — | — | — |
| Electronic on-demand | — | — | ✓ | — | ✓ | ✓ | ✓ |
| Interior | |||||||
| SunroofSingle pane, power-operated (Quad Cab only) | — | — | — | — | |||
| Dual pane, power-operated (Crew Cab only) | — | — | |||||
| Uconnect Multimedia | |||||||
| RadiosUconnect 5.0 AM/FM/Bluetooth | ✓ | ✓ | ✓ | ✓ | — | — | — |
| Uconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio | — | — | Pkg | Pkg | ✓ | — | — |
| Uconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio/NAV/HD/CELL | — | — | O/P | ✓ | ✓ | ||
| Uconnect 12-in. radio | — | — | Pkg | Pkg | Pkg | ||
| Sound System | |||||||
| Base – six-speaker | ✓ | ✓ | ✓ | ✓ | — | — | — |
| Premium – 10-speaker | — | — | ✓ | ✓ | ✓ | ||
| Premium Plus – 19-speaker | — | — | — | Pkg | Pkg | Pkg | Pkg |
| Safety & Security | |||||||
| CameraSurround View camera (included in Advanced Safety Group), not available with ParkView rear backup camera | — | — | — | — | Pkg | Pkg | Pkg |
| Active FeaturesBlind-spot Monitoring with trailer coverage and Rear Cross Path detection | Pkg | Pkg | ✓ | ||||
| Forward Collision Mitigation (Adaptive Emergency Braking) | — | — | — | ✓ | ✓ | ✓ | ✓ |
| Lane Departure Warning-Plus (included in Advanced Safety Group) | Pkg | — | Pkg | ✓ | Pkg | Pkg | Pkg |
| Head-Up Display (included in Advanced Technology Group) | — | — | Pkg | Pkg | Pkg | Pkg | Pkg |
| Trailer Reverse Steering Control | Pkg | — | Pkg | Pkg | Pkg | Pkg | Pkg |
| Parking SensorsParkSense front and rear park assist with automatic reverse stop | — | — | O/P | O/P | O/P | ✓ | ✓ |
| ParkSense Parallel/Perpendicular Park Assist (included in Advanced Safety Group) | — | — | — | — | Pkg | Pkg | Pkg |
| Trailer Brake Controller | |||||||
| Integrated electronic controller (requires Class IV trailer hitch; included with Trailer-tow Mirror and Brake Group) | O/P | — | O/P | O/P | O/P | O/P | O/P |
| Appearance Packages | |||||||
| Body-color Bumper Groupfront/rear bumpers painted body color | — | — | — | — | |||
| Chrome Appearance Group (Tradesman) (not available with Monochromatic)chrome front bumpers; chrome rear bumpers; chrome grille surround; 18-in. painted aluminum wheels; 18-in. BSW all-season tires | — | — | — | — | — | — | |
| Chrome Appearance Group (Laramie) (not available with Monochromatic)monotone paint; body-color wheel flares; chrome daylight opening moldings; chrome front bumper; chrome wheel inserts; chrome wheel-to-wheel side steps | — | — | — | — | — | — | |
| Sport Appearance Group (Big Horn/Lone Star)monotone paint only; body-color front bumper; body-color rear bumper; body-color grille surround; body-color door handles; body-color mirror caps; 20-in. OWL all-season tires; vinyl/cloth front bucket seats | — | — | — | — | — | — | |
| Sport Appearance Group (Laramie) (not available with Chrome Appearance Package) — includes monotone paint only; body-color front bumper; body-color rear bumper; body-color grille surround; body-color door handles; body-color mirror caps; sport hood; 20 x 9-in. cast aluminum premium paint/polished/insert wheels; 20-in. OWL all-season tires; leather front bucket seats; optional 22 x 9-in. forged aluminum polished premium paint wheels; optional 22-in. BSW all-season tires (packaged with optional 22-in. wheel) | — | — | — | — | — | — | |
| Rebel Black Appearance Packageblack exterior paint; black R-A-M badging; black brush guard; black 17-in. wheels; all-black interior (red interior optional) | — | — | — | — | — | — | |
| Night Edition Packagemonotone paint only (select colors); body-color front bumper; body-color rear bumper; black badging; black grille and surround; body-color door handles; body-color mirror caps; dark headlight bezel; 20 x 9-in. cast aluminum black wheels (Tradesman and Big Horn); 20-in. OWL all-season tires; 22 x 9-in. forged aluminum black wheels (Laramie); 22-in. BSW all-season tires | — | — | — | — | — | ||
| Equipment Packages | |||||||
| Tradesman Level 1 Equipment Grouppower sliding rear backlight (not available with manual sliding); cloth 40/20/40 bench seat; in-floor storage; carpet floor covering; carpet floor mats; SiriusXM Radio; option: vinyl floor covering | — | — | — | — | — | — | |
| North Equipment Group (Crew Cab 4x4 only)Big Horn Level 2 Equipment Group; 4x4 Off-road Group; body-color bumpers, grille and door handles; 4x4 North decal; Mopar all-weather floor mats | — | — | — | — | — | — | |
| Rebel 12 Equipment GroupUconnect 4C 12-in. touchscreen; 900-watt, 19-speaker Harman Kardon sound system (Crew Cab); Alpine nine-speaker (Quad Cab); leather seating and upgraded interior materials | — | — | — | — | — | — | |
| Big Horn Level 1 Equipment Groupswitchable rear dome lamp; glove box lamp; upper closed glove box with painted hard door; automatic-dimming interior rearview mirror; exterior power-folding mirrors with signal and puddle lamps; universal garage door opener (not available for international market); 3.5-in. color display; power-adjustable pedals; rear defroster; Uconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio; driver side sun-visor mirror and light; CD player, single disc, remote; eight-way power driver seat (fore/aft, up/down, cushion tilt, seatback recline); four-way power driver lumbar (fore/aft, up/down); in-floor storage; foam bottle inserts (front doors only); Class IV hitch receiver; BIG HORN badge on instrument panel; LONE STAR badge on instrument panel (Texas market only) | — | — | — | — | — | — | |
| Big Horn Level 2 Equipment Groupremote start; security alarm; ParkSense front and rear park assist with reverse stop; heated front seats; heated steering wheel; automatic temperature control (two-zone); rear: one 2.5-amp USB port, fully functional; rear: one 2.5-amp USB port, charging only; front seat 115-volt outlet (three-prong), battery-fed; rear seat 115-volt outlet (three-prong), battery-fed; 400W inverter; fully dampened/assisted tailgate; 7-in. programmable cluster display; power sliding rear backlight | — | — | — | — | — | — | |
| Rebel Level 1 Equipment Groupswitchable rear dome lamp; automatic-dimming interior rearview mirror; exterior power-folding mirrors with signal and puddle lamps; overhead console; universal garage door opener (not available for international market); power-adjustable pedals; heated front seats; heated steering wheel; rear defroster; Uconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio; driver-side sun visor mirror and light; CD player, single disc, remote; foam bottle inserts (front doors only) | — | — | — | — | — | — | |
| Rebel Level 2 Equipment Groupremote start; keyless entry; security alarm; ParkSense front and rear park assist with reverse stop; automatic temperature control (two-zone); rear: one 2.5-amp USB port, fully functional; rear: one 2.5-amp USB port, charging only; rear seat 115-volt outlet (three-prong), battery-fed; rear under-seat storage (Crew Cab only) | — | — | — | — | — | — | |
| Laramie Level 1 Equipment Groupautomatic high beams; rain-sensing wipers; passenger auto-dimming mirror; CD player, single disc, remote; Blind-spot Monitoring with trailer coverage and Rear Cross Path detection; foam bottle inserts (front doors only); tailgate ajar warning; power tailgate release; 60/40 stadium-folding bench with manual recline and center 20 percent fold-down console (not available with Quad Cab); ParkSense front and rear park assist with reverse stop | — | — | — | — | — | — | |
| Laramie Level 2 Equipment GroupUconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio/NAV/HD/CELL; wireless charging pad (available with bucket seats only); Premium Plus sound system; rear seat heat (three adjustment levels each); rear under-seat storage (Crew Cab only) | — | — | — | — | — | — | |
| Laramie Longhorn Level 1 Equipment Groupwireless charging pad (available with bucket seats only); passenger auto-dimming mirror; Blind-spot Monitoring with trailer coverage and Rear Cross Path detection; power-operated running boards; Uconnect 12-in. radio; rear seat ventilation (three adjustment levels each); Premium Plus sound system | — | — | — | — | — | — | |
| Limited Level 1 Equipment GroupAdaptive Cruise Control with Stop, Go and Hold; Forward Collision Mitigation; Lane Departure Warning-Plus; Surround View camera; automatic high-beam headlamps; ParkSense Parallel/Perpendicular Park Assist; Uconnect 12-in. radio; rear seat ventilation (three adjustment levels each); Premium Plus sound system | — | — | — | — | — | — | |
| Functional Packages | |||||||
| Protection Group (4x4 models only)tow hooks; front suspension skid plate; transfer case skid plate; electronic power steering skid plate; fuel tank skid plate | — | ||||||
| 4x4 Off-road Group (standard on all 4x2 and 4x4 Rebel models; not available with 4x2 non-Rebel models) — includes tow hooks; front suspension skid plate; transfer case skid plate (on 4x4 models only); electronic power steering skid plate; fuel tank skid plate; rear electronic locking axle; front/rear off-road calibrated shocks; Hill-descent Control; off-road decals (both sides, rear quarter panel, not included with Rebel); all-terrain tires | — | — | |||||
| Trailer-tow Mirrors and Brake GroupClass IV receiver hitch (included on low-price class only for all markets except Canada); integrated trailer brake controller; 7 x 11-in. power trailer tow mirrors, black (low-price class Quad/Crew Cabs, medium- and unique-price class); 7 x 11-in. power trailer tow mirrors, chrome (high-premium and ultra-price class) | — | ||||||
| Max Towing Package (available on 5.7-liter eTorque 4x2 Quad Cab only)max towing 9.75-in. axle with 3.92 axle ratio; rear stabilizer bar; Trailer-tow Mirrors and Brake Group; 18 x 8-in. cast aluminum base wheels; 18-in. OWL on-/off-road tires | — | — | — | — | |||
| Diesel Max Towing Package (available on 3.0-liter V-6 EcoDiesel 4x2 Quad Cab only) — includes max towing 9.75-in. axle with 3.92 axle ratio; rear stabilizer bar; Trailer-tow Mirrors and Brake Group; 18 x 8-in. cast aluminum base wheels; 18-in. OWL on-/off-road tires | — | — | — | — | — | ||
| Advanced Safety GroupAdaptive Cruise Control with Stop, Go and Hold; Blind-spot Monitoring with trailer coverage and Rear Cross Path detection; Head-up Display; Lane Departure Warning-Plus; Pedestrian Protection; Surround View camera; SmartBeam headlamps; rain-sensitive wipers; ParkSense Parallel/Perpendicular Park Assist | — | — | — | — | |||
| Advanced Technology GroupHead-up Display; Digital Rearview Mirror; LED cargo box light | — | — | |||||
| Rebel Safety GroupAdaptive Cruise Control with Stop, Go and Hold; Forward Collision Mitigation; Lane Departure Warning-Plus; automatic high-beam headlamps | — | — | — | — | — | — | |
| Tradesman GroupClass IV hitch receiver; spray-in bed liner | — | — | — | — | — | — | |
| Snow Plow Prep Package (4x4 only; not available on 3.6-liter with eTorque) — includes 220-amp alternator; truck-side plow wiring harness; rear power-sliding window with defroster | — | — | — | — | |||
| Premium Lighting GroupBi-LED projector headlamps with signature lighting; LED taillamps with signature lighting; LED fog lamps | — | — | — | — | — | — | |
- The guide prints a dash for features that are not available; those are recorded as NA.
- The Big Horn/Lone Star column covers both trims.
- Package rows list the package contents as printed in the guide.
What each trim adds
Equipment that becomes standard at each step up, compared with the next trim down in price. Packages and options aren't counted.
Rebel over Big Horn/Lone Star+3 standard +
- ✓Electronic-locking differential (raised ride height available on all axle ratios; standard ride height available only on 3.92 axle ratio; included with 4x4 Off-road Group)
- ✓Forward Collision Mitigation (Adaptive Emergency Braking)
- ✓Lane Departure Warning-Plus (included in Advanced Safety Group)
Laramie over Rebel+2 standard +
- ✓Uconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio
- ✓Premium – 10-speaker
Laramie Longhorn over Laramie+2 standard +
- ✓Uconnect 8.4 AM/FM/Bluetooth/SiriusXM Radio/NAV/HD/CELL
- ✓ParkSense front and rear park assist with automatic reverse stop
Limited over Laramie Longhorn+2 standard +
- ✓Active-level four-corner air suspension system (Rebel: optional on 4x4 Crew Cabs with 5.7-liter only)
- ✓Blind-spot Monitoring with trailer coverage and Rear Cross Path detection
Standard on every trim (3)
- Drive: 4x2
- ParkView rear backup camera with dynamic gridlines and center lines
- 26-gallon
Source: 2021 Ram 1500 Feature Availability, 2021 Ram 1500 TRX Feature Availability, Stellantis North America. Equipment can change during the model year and some items arrive late; confirm on the window sticker.
2021 Ram 1500 maintenance schedule
The factory schedule for normal driving. Oil changes follow the oil-change indicator on most models; severe use (towing, dusty roads, lots of idling) shortens some intervals.
A dot means the service is due at that mileage or after that many years, whichever comes first. Engines: ERG, EZH, EZL, ESD.
| Service | 20k2 yr | 30k3 yr | 40k4 yr | 50k5 yr | 60k6 yr | 70k7 yr | 80k8 yr | 90k9 yr | 100k10 yr | 110k11 yr | 120k12 yr | 130k13 yr | 140k14 yr | 150k15 yr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Additional Inspections | ||||||||||||||
| Inspect the CV/Universal joints. | ||||||||||||||
| Inspect front suspension, tie rod ends, and replace if necessary. | ||||||||||||||
| Inspect the front and rear axle surfaces. If gear oil leakage is suspected, check the fluid level. If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing, change axle fluid. | ||||||||||||||
| Inspect the brake linings, replace as necessary. | ||||||||||||||
| Inspect transfer case fluid. | ||||||||||||||
| Additional Maintenance | ||||||||||||||
| Replace cabin air filter. | ||||||||||||||
| Replace engine air cleaner. | ||||||||||||||
| If equipped with Stop/Start, replace accessory drive belt with OEM grade Mopar® belt. | ||||||||||||||
| Replace spark plugs. The spark plug change interval is mileage based only; yearly intervals do not apply. | ||||||||||||||
| Flush and replace the engine coolant at 10 years or 150,000 miles (240,000 km) whichever comes first. | ||||||||||||||
| Inspect the transfer case fluid, change for any of the following: police, taxi, fleet, or frequent trailer towing. | ||||||||||||||
| Change the transfer case fluid. | ||||||||||||||
| Inspect and replace PCV valve if necessary. | ||||||||||||||
At Every Oil Change Interval As Indicated By Oil Change Indicator System
- Change the oil and filter.
- Rotate the tires. Rotate at the first sign of irregular wear, even if it occurs before the oil indicator system turns on.
- Inspect the battery and clean and tighten terminals as required.
- Inspect the CV/Universal joints.
- Inspect the brake pads, shoes, rotors, drums, and hoses.
- Inspect the engine cooling system protection and hoses.
- Inspect the exhaust system.
- Inspect the engine air cleaner if using in dusty or off-road conditions, replace the engine air cleaner, as necessary.
- Inspect and replace the Evaporative System Fresh Air Filter as necessary; replacement may be more frequent if vehicle is operated in extreme dusty conditions.
2021 Ram 1500 fluids & capacities
Oil, coolant, transmission and axle fluids with their capacities and specifications, wheel torque and fuel requirements, from the owner's manual.
Fluid capacities
| System | Applies to | US | Metric |
|---|---|---|---|
| Fuel tank (approximate) | 1500 Regular Cab Shortbed/Crew/Quad Cab models | 23 gal | 87 L |
| 1500 Regular Cab Shortbed/Crew/Quad Cab models | 26 gal | 98 L | |
| 1500 Regular Cab Longbed/Crew/Quad Cab models (optional) | 33 gal | 121 L | |
| Engine oil with filter | 3.6L engine | 5 qt | 4.7 L |
| 5.7L engine | 7 qt | 6.6 L | |
| Cooling system | 3.6L engine | 13.7 qt | 13 L |
| 3.6L motor generator unit | 1.8 qt | 1.7 L | |
| 5.7L engine | 18.3 qt | 17.3 L | |
| Fuel tank (approximate) | 3.0L turbo diesel engine | 26 gal | 98.5 L |
| Diesel exhaust fluid tank | Tradesman/Rebel models | 5.14 gal | 19.5 L |
| All other models | 5.74 gal | 21.7 L | |
| Engine oil with filter | 3.0L turbo diesel engine | 8.5 qt | 8.0 L |
| Cooling system | 3.0L turbo diesel engine | 11.6 qt | 11 L |
Engine fluids
| Component | Fluid / grade | Standard | Mopar product |
|---|---|---|---|
| Engine coolant (Gasoline engines) | 10-year/150,000-mile OAT (organic additive technology) coolant | — | Mopar Antifreeze/Coolant 10 Year/150,000 Mile (240,000 km) Formula OAT |
| Engine coolant (3.6L motor generator unit (if equipped)) | 10-year/150,000-mile OAT (organic additive technology) coolant | — | Mopar Antifreeze/Coolant 10 Year/150,000 Mile (240,000 km) Formula OAT |
| Engine oil (3.6L engine) | SAE 0W-20, API certified | MS-6395 | — |
| Engine oil (5.7L engine) | SAE 5W-20, API certified | MS-6395 | — |
| Engine oil filter (Gasoline engines) | Mopar engine oil filter, or one meeting SAE/USCAR-36 filter performance requirements | — | Mopar Engine Oil Filter |
| Engine coolant (3.0L turbo diesel engine) | 10-year/150,000-mile OAT (organic additive technology) coolant | — | Mopar Antifreeze/Coolant 10 Year/150,000 Mile (240,000 km) Formula OAT |
| Engine oil (3.0L turbo diesel engine) | SAE 5W-40 synthetic, API SN category required | MS-12991 | — |
| Engine oil filter (3.0L turbo diesel engine) | Mopar engine oil filter | — | Mopar engine oil filter |
| Fuel filter (3.0L turbo diesel engine) | Mopar fuel filter, 3 micron rating | — | Mopar fuel filter |
| Diesel exhaust fluid (DEF) (3.0L turbo diesel engine) | API-certified DEF meeting ISO 22241 | — | Mopar Diesel Exhaust Fluid |
Chassis fluids & lubricants
| Component | Fluid / grade | Standard | Mopar product |
|---|---|---|---|
| Automatic transmission | ZF 8 & 9 speed automatic transmission fluid (ATF), or equivalent | — | Mopar ZF 8 & 9 Speed ATF |
| Transfer case (48-11 active on-demand 2-speed (with 4WD AUTO)) | Mobil Fluid LT | — | — |
| Transfer case (48-12 part-time 2-speed (without 4WD AUTO)) | Shell Spirax S2 ATF A389 | — | — |
| Front axle | SAE 75W-85 GL-5 synthetic axle lubricant | — | Mopar GL-5 Synthetic Axle Lubricant SAE 75W-85 |
| Rear axle (3.21/3.55 ratio) | SAE 75W-90 synthetic gear lubricant | MS-A0160 | Mopar Synthetic Gear Lubricant SAE 75W-90 |
| Rear axle (3.92 ratio) | SAE 75W-140 synthetic gear lubricant | MS-8985 | Mopar Synthetic Gear Lubricant SAE 75W-140 |
| Rear axle (Max Tow 3.92 ratio) | SAE 80W-90 axle lubricant | — | Dana SAE 80W90 Axle Lubricant |
| Brake master cylinder | DOT 3 brake fluid, SAE J1709 | — | Mopar DOT 3 Brake Fluid |
Fuel
| Engine | Minimum | Ethanol / biodiesel |
|---|---|---|
| 3.6L engine | 87 octane Regular unleaded | Up to 15% (E15) |
| 5.7L engine | 87 octane Unleaded gasoline (89 recommended for best performance and fuel economy (87 acceptable)) | Up to 15% (E15) |
| 3.0L turbo diesel engine | Ultra-low-sulfur diesel | Up to B5 |
Wheel lug nut torque
| Wheels | Torque | Thread | Socket |
|---|---|---|---|
| Lug nuts/bolts | 130 ft-lb (176 N·m) | M14 x 1.50 | 22 mm |
- The first two fuel tank rows share the same label in the manual; they are printed as two separate sizes without further distinction.
- The 5.7L engine accepts 87 to 89 octane; 89 is recommended.
- Replace the diesel fuel filter about every 20,000 miles (32,000 km); every 10,000 miles (16,000 km) in severe use or certain states with fuel cleanliness issues.
- Limited-slip rear axles need 5 oz (148 ml) of Mopar Limited Slip Additive (MS-10111) added to the 3.21/3.55 and 3.92 axle lubricants.
- Use only OAT coolant; no water alone, alcohol-based coolant or added rust inhibitors, and propylene glycol coolant is not recommended.
- Below 20°F (-7°C), use climatized or No. 1 ULSD, or dilute No. 2 with 50% No. 1, to prevent fuel gelling.
Source: Owner's manual on Mopar.com. Always confirm with the manual for your exact vehicle.
2021 Ram 1500 owner's manuals & publications
The manufacturer's owner's manual, quick guides, radio manuals, supplements and warranty booklets for the 2021 model year.
Owner's manuals
Quick guides
Uconnect & radio
Supplements
On Mopar.com
- Owner's manual on Mopar.com
- Maintenance schedule on Mopar.com
- Warranty information on Mopar.com
- How-to videos on Mopar.com
Manuals and guides are hosted by the manufacturer on vehicleinfo.mopar.com and open as PDFs. Mopar.com's owner site also has VIN-specific manuals and recall lookups.
2021 Ram 1500 questions
How much oil does the 2021 Ram 1500 take?
With a filter change: 3.6L engine, 5 qt / 4.7 L; 5.7L engine, 7 qt / 6.6 L; and 3.0L turbo diesel engine, 8.5 qt / 8.0 L. Capacities are from the owner's manual; check the dipstick or oil-life display after filling.
What kind of oil does the 2021 Ram 1500 use?
3.6L engine: SAE 0W-20, API certified (MS-6395); 5.7L engine: SAE 5W-20, API certified (MS-6395); Gasoline engines: Mopar engine oil filter, or one meeting SAE/USCAR-36 filter performance requirements; 3.0L turbo diesel engine: SAE 5W-40 synthetic, API SN category required (MS-12991); and 3.0L turbo diesel engine: Mopar engine oil filter.
When is the first scheduled maintenance on the 2021 Ram 1500?
At 20,000 miles or 2 years: inspect the cv/universal joints; inspect front suspension, tie rod ends, and replace if necessary; inspect the brake linings, replace as necessary; replace cabin air filter. Oil changes in between follow the oil-change indicator.
Where can I find the 2021 Ram 1500 owner's manual?
The manufacturer publishes it free on Mopar.com as a PDF (linked in the manuals section above), along with quick guides, radio manuals and the warranty booklet.
Specifications come from the manufacturer's spec comparison and its media-site specification sheets; maintenance schedules, fluids and publications come from Mopar's owner site and owner's manuals. Equipment and ratings vary by configuration; check the owner's manual or a dealer for a specific vehicle.