Denali Ultimate 2025 2025. The denali trim moves to second place in the sierra hd’s hierarchy for the 2025 model year with the introduction of the new denali ultimate trim, available for both the 2500. Test drive new 2025 gmc sierra 1500 denali ultimate at home from the top dealers in your area.

Build and price a new 2025 gmc sierra hd denali ultimate with your choice of model, colour, options and more. Discover the 2025 gmc sierra 2500hd & 3500hd denali and the first ever denali ultimate, with 30,800 lbs max towing, premium comfort, and more.