2024 Gmc Denali 2500hd Duramax. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine.  — the 2024 gmc sierra 2500hd denali ultimate carries its 8,346 pounds of mass to 60 mph in a shockingly quick 6.5 seconds.

That software suite offers checklists to ensure everything is connected correctly. The 2024 sierra 2500hd i drove featured the duramax diesel and the prograde trailering system.