2024 Gmc Sierra Hd Denali Ultimate. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. Gmc sierra 2500hd denali finally gets a luxurious interior.

The new 2024 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 denali ultimate trim has expanded from the yukon and sierra 1500 into the 2500hd lineup.