2024 Denali Duramax 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.
Today i drive and review a 2024. Purchased a 2024 gmc denali ultimate about a month ago.