2025 Gmc 3500hd Duramax. Denali goes ultimate, at4x joins the ranks. Standard 13.4 diagonal center touch.
The 2025 gmc sierra 3500hd denali ultimate interior is the most impressive interior of any gmc truck to date. Detailed specs and features for the 2025 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.
