2024 Denali Hd Ultimate Test Drive. Learn more about the 2024 gmc sierra 2500 hd denali ultimate starting at $124,934. The 2024 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.

The denali trim moves to second place in the sierra hd’s hierarchy for the 2024 model year with the introduction of the new denali ultimate trim, available for both the 2500. Explore the 2025 gmc sierra 2500 hd & 3500 hd denali luxury truck.