2021 GMC Acadia Dimensions, Sizes & Specifications
Based on 8 trims — exact values when identical, ranges when trims differ. Generation: Second generation (C1XX) - Facelift.
- Length193.4 in
- Width75.4 in
- Height66.7 in
- Wheelbase112.5 in
- Ground clearance7.2 in
- Curb weight3,923 lb – 4,390 lb
- Length193.4 in
- Height66.7 in
- Wheelbase112.5 in
- Ground clearance7.2 in
- Curb weight3,923 lb – 4,390 lb
- Width75.4 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 Acadia
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: 193.4 in · 75.4 in · 66.7 in. Full dimensions
Wheels: bolt pattern 6x120, bore 66.9 mm. Wheel sizes
Tires: P255/65HR17.0 BSW AT, P235/55HR20.0 BSW AS, P245/65HR17.0 BSW AS, P235/65HR18.0 BSW AS…. 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 | 193.4 in |
|---|---|
| Width | 75.4 in |
| Height | 66.7 in |
| Wheelbase | 112.5 in |
| Ground clearance | 7.2 in |
Interior dimensions
| Front headroom | 40.0 in |
|---|---|
| Rear headroom | 40.0 in |
| Front legroom | 41.0 in |
| Rear legroom | 39.7 in |
| Front shoulder room | 59.0 in |
| Rear shoulder room | 59.0 in |
| Front hip room | 56.0 in |
| Rear hip room | 53.0 in |
Weight & capacities
| Curb weight | 3,923 lb – 4,390 lb |
|---|---|
| GVWR | 6,001 lb |
| Fuel tank | 19.0 gal – 22.0 gal |
| Max towing capacity | 1,000 lb – 4,000 lb |
Engine
- 1871 1915
- 1874 1912
- 1868 1912
| Torque | 188 – 271 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P255/65HR17.0 BSW AT
- P235/55HR20.0 BSW AS
- P245/65HR17.0 BSW AS
- P235/65HR18.0 BSW AS
- 235/55R20
- 235/65R18
- 245/65R17
- 255/50R20
Wiper sizes Full wiper size page →
- Driver22"
- Passenger20"
- Rear11"
Battery group size Full battery size page →
- H7-AGM
Oil capacity Full oil capacity page →
- 0W-205 qt
- 5W-205.3 qt
- 5W-306 qt
Trim-by-trim dimensions (8 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| AT4 All-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 4306 |
| Denali All-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 4390 |
| Denali Front-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 4187 |
| SL Front-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 3923 |
| SLE All-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 4240 |
| SLE Front-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 3923 |
| SLT All-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 4234 |
| SLT Front-wheel Drive | 193.4 | 75.4 | 66.7 | 112.5 | 7.2 | 4031 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (Second generation (C1XX) - Facelift): years 2020–2022. View model overview