2021 RAM 1500 Dimensions, Sizes & Specifications
Based on 31 trims — exact values when identical, ranges when trims differ. Generation: Fifth generation (DT).
- Length228.9 in – 241.8 in
- Width82.1 in – 88.0 in
- Height77.4 in – 80.9 in
- Wheelbase140.5 in – 153.5 in
- Ground clearance7.8 in – 8.2 in
- Curb weight4,768 lb – 6,396 lb
- Length228.9 in – 241.8 in
- Height77.4 in – 80.9 in
- Wheelbase140.5 in – 153.5 in
- Ground clearance7.8 in – 8.2 in
- Curb weight4,768 lb – 6,396 lb
- Width82.1 in – 88.0 in
Proportional exterior silhouette from catalog length, width and height. The explorer below is a systems map — different purpose, not a second silhouette.
Explore your 2021 RAM 1500
Interactive systems diagram for this model year — measure, check fitment, and open the matching SpecSizes tools. Schematic only; not photorealistic body styling.
- Dimensions
- Wheels
- Tires
- Wipers
- Battery
- Oil
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
- Battery
- Oil
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 228.9 in – 241.8 in · 82.1 in – 88.0 in · 77.4 in – 80.9 in. Full dimensions
Wheels: bolt pattern 6x139.7, bore 77.8 mm. Wheel sizes
Tires: P275/65SR18.0 BSW AS, P275/55SR20.0 BSW AS, P275/55TR20.0 BSW AS, LT275/70RR18.0E OWL AT…. Tire sizes
What do you want to check?
- Compare this vehicleSize vs a competitor
- See size by yearModel history & chart
- Will it fit in my garage?Door & bay clearance calculator
- Find cars similar in sizeExterior length, width & height neighbors
- Browse cars by sizeReverse-search by length, width & height
- Check tire sizeOEM tire sizes
- Check wiper sizeBlade lengths
- Check battery sizeGroup size
- Check oil capacityCapacity & viscosity
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 228.9 in – 241.8 in |
|---|---|
| Width | 82.1 in – 88.0 in |
| Height | 77.4 in – 80.9 in |
| Wheelbase | 140.5 in – 153.5 in |
| Ground clearance | 7.8 in – 8.2 in |
Interior dimensions
| Front headroom | 41.0 in |
|---|---|
| Rear headroom | 39.0 in – 40.0 in |
| Front legroom | 40.9 in |
| Rear legroom | 35.6 in – 45.2 in |
| Front shoulder room | 66.0 in |
| Rear shoulder room | 66.0 in |
| Front hip room | 63.0 in |
| Rear hip room | 63.0 in |
Weight & capacities
| Curb weight | 4,768 lb – 6,396 lb |
|---|---|
| GVWR | 6,010 lb – 7,800 lb |
| Fuel tank | 23.0 gal – 33.0 gal |
| Max towing capacity | 6,000 lb – 8,000 lb |
Engine
- 1871 1915
- 1872 1914
- 1880 1914
| Torque | 269 – 650 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P275/65SR18.0 BSW AS
- P275/55SR20.0 BSW AS
- P275/55TR20.0 BSW AS
- LT275/70RR18.0E OWL AT
- P275/65TR18.0 BSW AS
- LT325/65RR18.0D OWL AT
- 275/55R20
- 275/65R18
- 275/70R18
- 285/45R22
Wiper sizes Full wiper size page →
- Driver24"
- Passenger24"
Battery group size Full battery size page →
- 94RH7
- H7-AGM
Oil capacity Full oil capacity page →
- 0W-205 qt
- 0W-407.5 qt
- 5W-207 qt
Trim-by-trim dimensions (31 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Big Horn/Lone Star 4x2 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.5 | 144.5 | 8.2 | 4906 |
| Big Horn/Lone Star 4x2 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.4 | 153.5 | 8.1 | 4935 |
| Big Horn/Lone Star 4x2 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.6 | 140.5 | 7.8 | 4792 |
| Big Horn/Lone Star 4x4 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.6 | 144.5 | 8.2 | 5082 |
| Big Horn/Lone Star 4x4 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.5 | 153.5 | 8.1 | 5137 |
| Big Horn/Lone Star 4x4 Quad Cab 140.5 in. WB | — | — | — | — | — | — |
| HFE 4x2 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.6 | 140.5 | 7.8 | 4768 |
| Laramie 4x2 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.5 | 144.5 | 8.2 | 5032 |
| Laramie 4x2 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.4 | 153.5 | 8.1 | 5052 |
| Laramie 4x2 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.6 | 140.5 | 7.8 | 4899 |
| Laramie 4x4 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.6 | 144.5 | 8.2 | 5196 |
| Laramie 4x4 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.5 | 153.5 | 8.1 | 5248 |
| Laramie 4x4 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.7 | 140.5 | 8.2 | 5097 |
| Limited 4x2 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.5 | 144.5 | 8.2 | 5345 |
| Limited 4x2 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.4 | 153.5 | 8.1 | 5353 |
| Limited 4x4 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.6 | 144.5 | 8.2 | 5497 |
| Limited 4x4 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.5 | 153.5 | 8.1 | 5568 |
| Longhorn 4x2 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.5 | 144.5 | 8.2 | 5192 |
| Longhorn 4x2 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.4 | 153.5 | 8.1 | 5241 |
| Longhorn 4x4 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.6 | 144.5 | 8.2 | 5232 |
| Longhorn 4x4 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.5 | 153.5 | 8.1 | 5387 |
| Rebel 4x2 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.5 | 144.5 | — | 5096 |
| Rebel 4x4 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.6 | 144.5 | — | 5314 |
| Rebel 4x4 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.7 | 140.5 | — | 5202 |
| Tradesman 4x2 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.5 | 144.5 | 8.2 | 4878 |
| Tradesman 4x2 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.4 | 153.5 | 8.1 | 4909 |
| Tradesman 4x2 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.6 | 140.5 | 7.8 | 4778 |
| Tradesman 4x4 Crew Cab 144.5 in. WB | 232.9 | 82.1 | 77.6 | 144.5 | 8.2 | 5062 |
| Tradesman 4x4 Crew Cab 153.5 in. WB | 241.8 | 82.1 | 77.5 | 153.5 | 8.1 | 5106 |
| Tradesman 4x4 Quad Cab 140.5 in. WB | 228.9 | 82.1 | 77.7 | 140.5 | 8.2 | 4975 |
| TRX 4x4 Crew Cab 144.5 in. WB | 232.9 | 88.0 | 80.9 | 145.1 | 8.0 | 6396 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (Fifth generation (DT)): years 2019–2022. View model overview