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