2024 Gmc 2024 Denali Ultimate Dually Truck. Gmc says the denali ultimate is the most luxurious and technologically advanced sierra hd yet. 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 type, cylinders,. Gm pulled the sheets on the refreshed 2024 gmc sierra hd early last month, revealing revised exterior styling, a revamped interior space, powertrain updates, and the new.