2024 Denali Ultimate 2500 Colors. The standard color is summit white. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.

2024 gmc sierra 2500hd denali ultimate exterior color options. The new 2024 sierra 2500 hd offers a total of 9 exterior colors, including summit white, ebony twilight metallic, quicksilver metallic, cayenne red tintcoat, pacific blue metallic, white frost.