All GMC modelsGMC Sierra HD: generations and engines
The GMC Sierra HD has been built since 2018 in 5 generations, with 46 engine versions in our catalog (pickup). Pick a generation to see its engines, horsepower and fuel economy.
EnlargeProduction years2018–present
Generations5
Engine versions46
Power360–445 hp
Body stylesPickup
FuelGasoline, Diesel
Timeline
GMC Sierra HD generations
- 2018–present
- 2018–present
- 2018–present
- 2018–present
- 2018–present
Before you buy
Check a used GMC Sierra HD
- Real mileage – service and inspection readings show if the odometer was rolled back.
- Accidents and title brands – damage records, salvage, flood or rebuilt titles.
- Old photos – how the car looked in earlier listings.
GMC
All models 
