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Specifications
Specifications · Vehicle
2020 GMC Sierra HD 2500HD 6.6 Gas 4WD specs on Slipratio: 401 hp, 464 lb-ft, AWD, automatic. Includes L8T engine, T1XX HD generation.
| Power | 401 hp @ 5200 rpm |
| Torque | 464 lb-ft @ 4000 rpm |
| Redline | 6000 rpm |
| Layout | V8 |
| Displacement | 6.6 L |
| Induction | naturally aspirated |
| Engine code | L8T |
| Drivetrain | AWD |
| Transmission | automatic / 6 gears |
| Final drive | 3.73 |
All GMC Sierra HD variants in the Slipratio catalog.
The 2020 GMC Sierra HD 2500HD 6.6 Gas 4WD produces 401 hp and 464 lb-ft of torque.
The 2020 GMC Sierra HD 2500HD 6.6 Gas 4WD is AWD. The transmission is a automatic / 6 gears.
The 2020 GMC Sierra HD 2500HD 6.6 Gas 4WD has a curb weight of 3100 kg (6834 lb), giving it a power-to-weight ratio of 129 hp per tonne.
| Weight |
| 3100 kg |
| Wheelbase | 4.04 m |
| Cd | 0.45 |
| Frontal area | 3.45 m² |
| Tire | street |
| Body / style | pickup |
| Generation | T1XX HD (2020-2023) |