2024 Denali Ultimate 2024 Schedule. The denali ultimate trim package is the newest and highest trim package available on the gmc sierra 1500, sierra 2500hd, and sierra 3500hd trucks. It features a unique vader chrome grille, 22.
Detailed specs and features for the 2024 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. In 2024, the denali ultimate trim replaces the denali as the top trim level in gmc hd trucks.