2021 GMC Sierra
Pickup
RWD
Regular Gasoline
Horsepower
–
MPG Combined
21 mpg
MSRP
–
Torque
–
Performance
- Horsepower
- –
- Torque
- –
- Engine
- 2.7 L
- Cylinders
- I4
- Transmission
- Automatic 8-spd
- Drive Type
- RWD
Efficiency
- MPG Combined
- 21
- Fuel Type
- Regular Gasoline
Dimensions
- Length
- 229.5 in
- Width
- 81.1 in
- Height
- 75.6 in
- Wheelbase
- 139.4 in
- Curb Weight
- 4,378 lbs
- Ground Clearance
- –
Capacity
- Doors
- –
- Seating
- –
- Cargo
- –
- Max Cargo
- –
- Max Towing
- –
- Max Payload
- –
Estimated Value
Value estimate unavailable. MSRP data not available for this vehicle.
Available Trims (20)
Sierra 2WD
SIDI; 3-mode transmission (work truck)
RWD
Sierra 4WD
4WD
Sierra 4WD
SIDI; Stop-Start
4WD
Sierra 4WD
SIDI; with Cylinder Deactivation
4WD
Sierra 4WD
SIDI
4WD
Sierra 4WD
SIDI
4WD
Sierra 2WD
SIDI; Active Fuel Management
RWD
Sierra 2WD
SIDI; FFV
RWD
Sierra 2WD
SIDI; with Cylinder Deactivation
RWD
Sierra 2WD
RWD
Sierra 4WD
SIDI; Stop-Start
4WD
Sierra 4WD
SIDI; Active Fuel Management
4WD
Sierra 4WD
SIDI; FFV
4WD
Sierra 2WD
SIDI
RWD
Sierra 2WD
SIDI; 4-mode/Sport transmission
RWD
Sierra 4WD
SIDI; 4-mode/Sport transmission
4WD
Sierra 4WD
SIDI; 3-mode transmission (work truck)
4WD
Sierra 2WD
SIDI
RWD
Sierra 4WD
SIDI
4WD
Sierra 2WD
SIDI
RWD