

Powerful Performance
The 2021 GMC Sierra offers a wide range of powerful engines depending on which model you choose, from the 2.7L Turbo engine to the 6.2L EcoTec3 V8 engine with an 8- or 10-speed automatic transmission and more. The 2021 GMC Sierra 1500 is the peak of GMC design and capability. Its powerful engines, innovative technologies, premium features and purposeful designs give the confidence you need to conquer the terrain.