New 2024 Gmc Sierra Hd Specs. Detailed specs and features for the 2024 gmc sierra 2500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine. The 2024 sierra 2500 hd crew cab ranges in power from the pro with 401 horsepower to the denali ultimate with 470 horsepower.
Vehicle details stay in the know. For a more detailed look at the 2024 sierra.