2025 Sierra Denali 2025 Olympics. The 2025 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds. The sierra 1500 also can be had with adaptive dampers and wheels as large as 22 inches.
The 2025 gmc sierra 1500 denali ultimate is the absolute top rung in the brand’s luxury truck hierarchy. 2025 gmc sierra 1500 denali ultimate.