Gmc 2024 2500hd Truck. If the sierra 1500 is not enough truck, gmc offers the sierra 2500hd. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

The 2025 gmc sierra hd work truck pulls your world with turbocharged power and an impressive lineup of trims. This 6.6l duramax diesel powered bad boy is outfitted with the top of the line at4.