2024 Gmc Duramax 2024. Carbuzz tested a sierra 1500 denali ultimate with the optional duramax engine, one of the few diesel trucks left on the market now that ram killed the ecodiesel and ford no. Denali goes ultimate, at4x joins the ranks.

Research the 2024 gmc sierra 2500hd diesel with our expert reviews and ratings. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.