Gmc 2024 2500hd Denali Specs. Detailed specs and features for the 2023 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Review photos exterior photos interior specs & trims drive reviews.
While the 2024 gmc sierra 2500hd denali isn’t the top trim available in gmc trucks, it still offers buyers a modern pickup with a wide array of premium features. We’ve only tested a sierra 2500hd denali with the diesel engine, which earned 17 mpg on the highway.
