Specifications
Engine Size6.2 L
Fuel TypeRegular
Transmission10 speed automatic
Drivetrain4-Wheel Drive
Combined MPG17 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 | Regular | 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 2021 GMC Sierra 4WD AT4 is a certified truck built for capability, boasting a powerful 6.2L V8 engine and 4-wheel drive for confident performance. With a robust build and a clean safety record, this Sierra is ready for demanding tasks.
Pros
- Certified safety status
- No recalls on record
- No complaints on record
- Impressive 10.8-inch ground clearance
- Powerful 420 hp engine
Cons
- Below-average fuel economy
- Higher fuel costs estimated
Complaints
No complaints on record.
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Status history
Uncertain→Certified27 May 2026
Lemon Score: 100. 0 data points. v3 scoring.