2025 Denali Ultimate 2025 Specs. 2025 gmc 2025 hd denali ultimate specs. The 2025 gmc sierra 3500hd denali ultimate is the ultimate towing machine right when it rolls off the lot.
The 2025 gmc sierra hd denali ultimate, refreshed for the 2025 model year, is gmc’s most premium, luxurious and technologically advanced truck yet. Discover the 2025 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more.
