2024 Gmc 3500hd Duramax Mpg. These trims are custom trail boss, lt, lt trail boss, rst,. Detailed specs and features for the 2024 gmc sierra 3500hd diesel denali ultimate including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.
Find incentives, rebates, recalls, and. The duramax turbodiesel engine combines incredible torque with good fuel economy.