GMC Sierra 2500 Heavy Duty Truck is available at Jim Autos United States and Canada.



GMC Most Powerful Duramax Diesel Ever

The available All-New 6.6L Duramax Diesel Engine

- 445 Horsepower
- 910 lb.ft. of torque
- 12% increase in horsepower and 19% increase in torque vs previous model
- Learn more on GMC Life
Enhanced Driveline and Cooling Components

- An all new induction system provides cooler airflow and contributes to the increased horsepower rating of the engine
- Radiator capacity was increased over previous models to provide enhanced powertrain cooling performance
- Driveline enhancements were made to increase strength and improve reliability. These enhancements include a stronger front prop shaft and larger U-joints
Quieter Operation
This is also the quietest idling Duramax diesel engine ever offered in a Sierra HD. Features contributing to its improved quiet operation include an all-new fuel system and acoustic treated rocker covers.
GMC Sierra 2500 HD Trailering and Hauling


- Available Duramax Diesel power and integrated trailering technologies give you the confidence to control heavy loads
- Stabilitrak with Hill Start Assist, Trailer Sway Control and Traction Control
- Available Digital Steering Assist which adapts steering input requirements to the situation

GMC Sierra 2500 HD Vision
- Available Accessory Trailering Camera System
- Available Rear Vision Camera
- Available Front and Rear Park Assist


Nearly two-thirds of the Sierra cab structure is made from high-strength steels. It’s a fortress of strength that contributes to the Sierra’s quiet cabin. We also use high-strength steel in our fully-boxed frame rails and major frame cross-members.


In addition to standard dual-density seat foam, your premium cabin is enhanced with available materials and features including:










