2026 GMC Sierra AT4X
Pickup
4WD
Premium Gasoline
Horsepower
–
MPG Combined
15 mpg
MSRP
–
Torque
–
Performance
- Horsepower
- –
- Torque
- –
- Engine
- 6.2 L
- Cylinders
- V8
- Transmission
- Automatic 10-spd
- Drive Type
- 4WD
Efficiency
- MPG Combined
- 15
- Fuel Type
- Premium Gasoline
Dimensions
- Length
- 233.1 in
- Width
- 83.9 in
- Height
- 78.7 in
- Wheelbase
- 145.7 in
- Curb Weight
- 8,640 lbs
- Ground Clearance
- –
Capacity
- Doors
- 4
- Seating
- –
- Cargo
- –
- Max Cargo
- –
- Max Towing
- –
- Max Payload
- –
Estimated Value
Value estimate unavailable. MSRP data not available for this vehicle.
Available Trims (2)
Sierra 4WD AT4X
SIDI
4WD
Sierra 4WD AT4X
4WD