Denali Ultimate 2025 2025. 2025 gmc sierra 2500hd and 3500hd pickup trucks equipped with the denali ultimate trim are the only. Discover the 2025 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more.

View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 denali ultimate at u.s. The luxury pickup you won’t want to get dirty.