2024 Denali Duramax 2500. Denali goes ultimate, at4x joins the ranks. The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more.
2024 chevrolet silverado 2500hd first test: Customize your gmc sierra 2500hd or 3500hd denali.