2024 Denali Duramax 2024. The sierra 2500hd denali ultimate looks to elevate the brand’s premium status, with a refreshed duramax, a new exterior, and more. 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 hd denali ultimate, refreshed for the 2024 model year, is gmc’s most premium, luxurious and technologically advanced truck yet. We also learn about the l5p duramax engine utilizing improved engine braking through a more potent turbo vane actuator, upgraded valve springs, and the integration of the.