2024 Denali Ultimate 2024 Calendar. The denali ultimate trim package is the newest and highest trim package available on the gmc sierra 1500, sierra 2500hd, and sierra 3500hd trucks. 2024 denali ultimate is the most advanced and luxurious sierra ever.

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 3500hd denali ultimate contains a number of unique features and attributes compared to lower trim levels.