2024 2024 Gmc 3500hd Duramax. Come join the discussion about modifications, towing, classifieds,. Detailed specs and features for the 2024 gmc sierra 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.
The gmc sierra hd denali ultimate has the highest. Enhanced 6.6l duramax turbo diesel v8.