2024 Gmc Sierra Denali Ultimate 2024 Hd Duramax. Denali goes ultimate, at4x joins the ranks. Detailed specs and features for the 2024 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine.

Detailed specs and features for the 2024 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. 2024 denali ultimate duramax 2024 gmc sierra 2500 and 3500 hd first look: