2025 Gmc Sierra Hd Denali Ultimate Colors. Explore the different 2025 gmc sierra 2500hd color options available with carsdirect. Denali goes ultimate, at4x joins the ranks.

Titanium rush metallic, sterling metallic, volcanic red tintcoat, redwood metallic, meteorite metallic and downpour metallic. Detailed specs and features for the 2025 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.