2024 Gmc Denali 2024 Duramax. The 2024 gmc sierra 1500 denali and denali ultimate are the most luxurious pickup trucks in their class, offering another level of innovation and capability. We’ve got one of the first 2024 gmc sierra denali 3500 hd ultimates in the shop!

Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Schedule a test drive today.