Gmc 2025 Denali. View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 denali ultimate at u.s. It completes a quarter mile run in 14.9 seconds at 93.2 mph and.

Think of the denali ultimate as a luxury car or suv that just happens to have a bed. The 2025 gmc sierra 1500 denali ultimate is the absolute top rung in the brand’s luxury truck hierarchy.