Specifications
Engine Size6.2 L
Fuel TypeDiesel
Transmission10 speed automatic
Drivetrain4-Wheel Drive
Combined MPG24 MPG
GMC Sierra 4WD AT4 Comparison with Similar Vehicles
| GMC Sierra 4WD AT4 (this vehicle) | GMC Sierra 4WD |  Ford Ranger 4WD |  Honda Ridgeline AWD |  Nissan Frontier 2WD |  GMC Canyon 2WD | |
|---|---|---|---|---|---|---|
| Price | — | — | $35,300–$57,350 | — | $29,770–$43,170 | $30,000–$45,000 |
| Engine Capacity | 6.2 L | 3L | 2.7L | 3.5L | 3.8L | 2.7L |
| Fuel Type | Diesel | Diesel | Regular | Regular | Regular | Regular |
| Transmission | 10 speed automatic | Automatic 10-spd | Automatic (S10) | Automatic (S9) | Automatic (S9) | Automatic 8-spd |
| Body Type | Pickup Truck | Standard Pickup Trucks 4WD | Standard Pickup Trucks 4WD | Standard Pickup Trucks 4WD | Standard Pickup Trucks 2WD | Small Pickup Trucks 2WD |
About
The 2020 GMC Sierra 4WD AT4 is a certified, robust pickup truck built for capability. With its powerful 6.2L V8 engine and 4-wheel drive, it's ready for demanding tasks while offering a comfortable 24 MPG combined.
Pros
- Certified safety status
- No recalls on record
- No complaints on record
- Impressive 460 lb-ft torque
- Generous 10.8-inch ground clearance
Cons
- Diesel engine type listed as Petrol
- Higher fuel cost estimate
Complaints
No complaints on record.
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Status history
Uncertain→Certified27 May 2026
Lemon Score: 100. 0 data points. v3 scoring.