2024 Gmc Denali Ultimate. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. The denali ultimate trim has expanded from the yukon and sierra 1500 into the 2500hd lineup.
Build & price your 2025 gmc sierra 1500 by selecting from available trims and features. The 2024 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.