Gmc Sierra Denali Ultimate 2025. Information about the 2025 gmc sierra, including introduction date, changes, specifications, pictures and other details about the 2025 sierra pickup truck. Kristen lee | dec 4, 2023

The 2025 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds. The slashgear team gets behind the wheel of the 2025 gmc sierra 1500 denali ultimate to see if its luxurious features and performance justify the price.