2024 Gmc Sierra 3500hd Denali. Sierra 3500 hd denali ultimate. Detailed specs and features for the 2024 gmc sierra 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.
The denali trim moves to second place in the sierra hd’s hierarchy for the 2024 model year with the introduction of the new denali ultimate trim, available for both. Pro, sle, slt, at4, denali and denali ultimate.