2024 Gmc Sierra Hd Denali. The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more. (photo/gmc) the denali ultimate’s ride and handling are better suited for towing travel trailers and hauling slide.

The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more. At the top of the range, there’s now the denali ultimate.