2018 RAM 1500 Dimensions, Sizes & Specifications
Based on 32 trims — exact values when identical, ranges when trims differ. Generation: Fourth generation (DS/DJ/D2) - Facelift.
- Ground clearance7.6 in – 9.8 in
- Ground clearance7.6 in – 9.8 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 2018 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
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Wipers
- Battery
- Oil
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: . Full dimensions
Wheels: bolt pattern 5x139.7, bore 77.8 mm. Wheel sizes
Tires: 245/40R19, 245/45R18, 255/35R20. Tire sizes
What do you want to check?
- Compare this vehicleSize vs a competitor
- See size by yearModel history & chart
- 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
| Ground clearance | 7.6 in – 9.8 in |
|---|
Weight & capacities
| Max towing capacity | 4,190 lb – 10,140 lb |
|---|
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- 245/40R19
- 245/45R18
- 255/35R20
Wiper sizes Full wiper size page →
- Driver22"
- Passenger22"
Battery group size Full battery size page →
- 94RH7
- H7-AGM
- H8-AGM
Oil capacity Full oil capacity page →
- 5W-205.9 qt
- 5W-4010.6 qt
- 5W-207 qt
Trim-by-trim dimensions (32 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Laramie 4x2 Crew Cab 140 in. WB | — | — | — | — | 9.3 | — |
| Laramie 4x2 Crew Cab 149 in. WB | — | — | — | — | 9.6 | — |
| Laramie 4x4 Crew Cab 140 in. WB | — | — | — | — | 9.2 | — |
| Laramie 4x4 Crew Cab 149 in. WB | — | — | — | — | 9.8 | — |
| Longhorn 4x2 Crew Cab 140 in. WB | — | — | — | — | 9.3 | — |
| Longhorn 4x2 Crew Cab 149 in. WB | — | — | — | — | 9.6 | — |
| Longhorn 4x4 Crew Cab 140 in. WB | — | — | — | — | 9.2 | — |
| Longhorn 4x4 Crew Cab 149 in. WB | — | — | — | — | 9.8 | — |
| Rebel 4x2 Crew Cab 140 in. WB | — | — | — | — | — | — |
| Rebel 4x4 Crew Cab 140 in. WB | — | — | — | — | 9.3 | — |
| SLT 4x2 Crew Cab 140 in. WB | — | — | — | — | 7.6 | — |
| SLT 4x2 Crew Cab 149 in. WB | — | — | — | — | 9.1 | — |
| SLT 4x2 Regular Cab 120 in. WB | — | — | — | — | 8.7 | — |
| SLT 4x2 Regular Cab 140 in. WB | — | — | — | — | 8.7 | — |
| SLT 4x4 Crew Cab 140 in. WB | — | — | — | — | 8.6 | — |
| SLT 4x4 Crew Cab 149 in. WB | — | — | — | — | 9.3 | — |
| SLT 4x4 Regular Cab 120 in. WB | — | — | — | — | 8.6 | — |
| SLT 4x4 Regular Cab 140 in. WB | — | — | — | — | 8.6 | — |
| Sport 4x2 Crew Cab 140 in. WB | — | — | — | — | 9.3 | — |
| Sport 4x2 Crew Cab 149 in. WB | — | — | — | — | 9.6 | — |
| Sport 4x2 Regular Cab 120 in. WB | — | — | — | — | 8.8 | — |
| Sport 4x4 Crew Cab 140 in. WB | — | — | — | — | 9.2 | — |
| Sport 4x4 Crew Cab 149 in. WB | — | — | — | — | 9.8 | — |
| Sport 4x4 Regular Cab 120 in. WB | — | — | — | — | 9.2 | — |
| ST 4x2 Crew Cab 149 in. WB | — | — | — | — | — | — |
| ST 4x4 Crew Cab 149 in. WB | — | — | — | — | — | — |
| Tradesman 4x2 Crew Cab 140 in. WB | — | — | — | — | — | — |
| Tradesman 4x2 Regular Cab 140 in. WB | — | — | — | — | 8.7 | — |
| Tradesman 4x4 Crew Cab 140 in. WB | — | — | — | — | 9.6 | — |
| Tradesman 4x4 Regular Cab 140 in. WB | — | — | — | — | 9.6 | — |
| Tradesman/Express 4x2 Regular Cab 120 in. WB | — | — | — | — | 8.7 | — |
| Tradesman/Express 4x4 Regular Cab 120 in. WB | — | — | — | — | 8.5 | — |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (Fourth generation (DS/DJ/D2) - Facelift): years 2013–2018. View model overview