GMC Sierra Cab Chassis 4WD (2021) Specifications
The GMC Sierra Cab Chassis 4WD is powered by a 6.6 L Regular engine, paired with a 6 speed automatic transmission. It returns a combined fuel economy of 14 MPG. Body style is a Cab Chassis with 2 doors.
Engine & Drivetrain
Engine Size5.3 L
Cylinders8
Fuel TypeRegular
TransmissionAutomatic 6-spd
Drivetrain4-Wheel Drive
CO₂635 g/mi
Classification
Vehicle ClassSpecial Purpose Vehicle 4×4
Body & Engine
Body TypeCab Chassis
AspirationNaturally Aspirated
Engine TypePetrol
Gearbox6 speed automatic
Engine LayoutLongitudinal
Additional Specs
Doors2
Engine ManufacturerGMC
Engine Capacity6.6 L
Max Power401 hp
Max Torque464 lb-ft
Fuel Systemdirect petrol injection
GMC Sierra Cab Chassis 4WD Across Model Years
| 2020 | 2021 | 2022 | 2023 |  2024 | 2025 | 2026 | |
|---|---|---|---|---|---|---|---|
| Price | — | — | — | $40,000 | $43,000 | — | — |
| Engine Capacity | 5.3L | 6.6 L | 5.3L | 5.3L | 5.3L | 5.3L | 5.3L |
| Fuel Type | Regular | Regular | Regular | Regular | Regular | Regular | Regular |
| Transmission | Automatic 6-spd | 6 speed automatic | Automatic 10-spd | Automatic 10-spd | Automatic 10-spd | Automatic 10-spd | Automatic 10-spd |
| Body Type | Special Purpose Vehicle 4WD | Cab Chassis | Special Purpose Vehicle 4WD | Special Purpose Vehicle 4WD | Special Purpose Vehicle 4WD | Special Purpose Vehicle 4WD | Special Purpose Vehicle 4WD |
