2024 Sierra Denali 2024 Hd. 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 the 2500. Crew cab short bed 4×4;.

Gmc’s heavy duty lineup gets more towing power, upgraded. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.