2025 Denali Ultimate Dually Price. While the two share some of the same. Adding the denali ultimate trim brings the base price of a 2025 gmc sierra 2500hd up to $94,895.

Detailed specs and features for the 2025 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. Gm pulled the sheets on the refreshed 2025 gmc sierra hd early last month, revealing revised exterior styling, a revamped interior space, powertrain updates, and.