2024 Denali Duramax. 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. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine.
Think of the denali ultimate as a luxury car or suv that. The 2024 gmc sierra 1500 denali ultimate is the absolute top rung in the brand’s luxury truck hierarchy.