Gmc 2024 Denali Hd Ultimate. 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. Discover the 2024 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more.
As with other new gmc models, the sierra hd picks up a new denali ultimate trim. It completes a quarter mile run in.