2021 GMC Terrain Dimensions, Sizes & Specifications
Based on 5 trims — exact values when identical, ranges when trims differ. Generation: Second generation.
- Length182.3 in
- Width72.4 in
- Height65.4 in
- Wheelbase107.3 in
- Ground clearance6.9 in – 7.9 in
- Curb weight3,449 lb – 3,659 lb
- Length182.3 in
- Height65.4 in
- Wheelbase107.3 in
- Ground clearance6.9 in – 7.9 in
- Curb weight3,449 lb – 3,659 lb
- Width72.4 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 GMC Terrain
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: 182.3 in · 72.4 in · 65.4 in. Full dimensions
Wheels: bolt pattern 5x115, bore 70.3 mm. Wheel sizes
Tires: P225/65TR17.0 BSW AS, P225/60TR18.0 BSW AS, 225/60R18, 225/65R17…. 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
- See narrower vehiclesNarrower than ~77% of SUVs
- 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 | 182.3 in |
|---|---|
| Width | 72.4 in |
| Height | 65.4 in |
| Wheelbase | 107.3 in |
| Ground clearance | 6.9 in – 7.9 in |
Interior dimensions
| Front headroom | 40.0 in |
|---|---|
| Rear headroom | 39.0 in |
| Front legroom | 40.9 in |
| Rear legroom | 39.7 in |
| Front shoulder room | 57.0 in |
| Rear shoulder room | 56.0 in |
| Front hip room | 54.0 in |
| Rear hip room | 52.0 in |
Weight & capacities
| Curb weight | 3,449 lb – 3,659 lb |
|---|---|
| GVWR | 4,464 lb – 4,630 lb |
| Fuel tank | 14.9 gal – 15.6 gal |
| Max towing capacity | 1,000 lb |
Engine
- 1891 1912
| Torque | 203 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P225/65TR17.0 BSW AS
- P225/60TR18.0 BSW AS
- 225/60R18
- 225/65R17
- 235/50R19
Wiper sizes Full wiper size page →
- Driver24"
- Passenger18"
- Rear13"
Battery group size Full battery size page →
- H6-AGM
Oil capacity Full oil capacity page →
- 0W-204.2 qt
- 0W-205.3 qt
Trim-by-trim dimensions (5 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| SL Front-wheel Drive | 182.3 | 72.4 | 65.4 | 107.3 | 6.9 | 3449 |
| SLE All-wheel Drive | 182.3 | 72.4 | 65.4 | 107.3 | 6.9 | 3622 |
| SLE Front-wheel Drive | 182.3 | 72.4 | 65.4 | 107.3 | 6.9 | 3449 |
| SLT All-wheel Drive | 182.3 | 72.4 | 65.4 | 107.3 | 7.9 | 3659 |
| SLT Front-wheel Drive | 182.3 | 72.4 | 65.4 | 107.3 | 7.9 | 3487 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (Second generation): years 2018–2021. View model overview