2024 Gmc Sierra 2024 Denali 3.0 Duramax Diesel Specs. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. Gale starts by saying, “this is data that you won’t find on a spec sheet!” this new engine.

Find out the fuel type, mpg, horsepower, torque, and other specs of. Adaptive cruise control with trailering assist, previously standard on the 2024 at4x and denali ultimate trim levels, now comes on the at4 and denali trims as well.