2025 Sierra Denali Hd. Build and price a new 2025 gmc sierra hd denali ultimate with your choice of model, colour, options and more. The denali trim moves to second place in the sierra hdโs hierarchy for the 2025 model year with the introduction of the new denali ultimate trim, available for both.
The new 2025 gmc sierra hd pickup truck pulls your world with turbocharged power and an impressive lineup of trims that includes the first ever denali ultimate. The 2025 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.