2024 Gmc Sierra 2024 Denali Specs. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. The 2024 gmc sierra 1500 denali ultimate is the absolute top rung in the brand’s luxury truck hierarchy.

The body style of the model as defined by the number of doors and roof treatment. The 2024 gmc sierra denali ultimate is redefining what it means to drive a premium truck.