2025 Denali Hd Leveled. In the newly refreshed 2025 sierra hd lineup, the denali ultimate becomes a range. The 2025 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.
It completes a quarter mile run in. Build and price a new 2025 gmc sierra hd denali ultimate with your choice of model, colour, options and more.