2024 Duramax Denali. The 2024 gmc sierra hd denali ultimate, refreshed for the 2024 model year, is gmc's most premium, luxurious and technologically advanced truck yet. 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 hd denali ultimate, refreshed for the 2024 model year, is gmc’s most premium, luxurious and technologically advanced truck yet. The sierra 1500 also can be had with adaptive dampers and wheels as large.