GMC Sierra AT4 6.2L V8 10AT (420 HP)
GMC Sierra AT4 · 2018 - present · Petrol
The GMC Sierra AT4 6.2L V8 10AT (420 HP) produces 420 hp and 623 Nm.
- Power
- 420 hp
- Torque
- 623 Nm
- 0–100
- —
- Top speed
- —
Engine
| Power | 420 hp |
|---|---|
| Power (kW) | 309 kW |
| Torque | 623 Nm |
| Displacement | 6,162 cc |
| Cylinders | V8 |
| Fuel system | Turbocharged Direct Injection |
| Fuel | Petrol |
| Fuel tank capacity | 91 l |
Fuel economy and emissions
| City consumption | 15.6 l/100 km |
|---|---|
| Highway consumption | 11.2 l/100 km |
Transmission
| Gearbox | 10-Speed Automatic |
|---|---|
| Drivetrain | All Wheel Drive |
Dimensions and weight
| Length | 5,895 mm |
|---|---|
| Width | 2,062 mm |
| Height | 1,920 mm |
| Wheelbase | 3,744 mm |
| Unladen weight | 2,271 kg |
| Gross weight limit | 3,311 kg |
| Tyre size | 255/70 R17 |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
How this trim compares to other cars
The GMC Sierra AT4 6.2L V8 10AT (420 HP) compared with 5,858 trims of other cars from the 2015–2021 period.
| Measure | This trim | Average | Position |
|---|---|---|---|
| Power | 420 hp | 233 hp |
better than 90%
|
| Torque | 623 Nm | 370 Nm |
better than 90%
|
| Unladen weight | 2,271 kg | 1,624 kg |
better than 6%
|
Percentages show the share of trims from the same period this model beats on that measure. Manufacturer figures.
Not stated by the manufacturer: top speed, acceleration 0–100 km/h, combined consumption, co2 emissions and cargo volume. Those measures are left out of the comparison.
Trims and engine versions — GMC Sierra AT4
| Trim | Fuel | Power | Torque | 0–100 | Top speed | Fuel economy | CO2 | Select |
|---|---|---|---|---|---|---|---|---|
| 2.7L V8 8AT (310 HP) | Petrol | 310 hp | 473 Nm | — | — | — | — | |
| 5.3L V8 10AT | Petrol | 355 hp | 519 Nm | — | — | — | — |