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.
Dynamic Fuel Management System
Included with the available 5.3L V8 and 6.2L V8 gas engines – operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency.
10-Speed Automatic Transmission
Included and only available with 5.3L EcoTec3 V8 engine on 4WD models, 6.2L EcoTec3 V8 engine or Duramax 3.0L Turbo-Diesel I6 engine.