2024 Duramax Fuel Mileage Chart. The duramax turbodiesel engine combines incredible torque with good fuel economy. What kind of mileage you seeing at towing a 5000 pound.
According to the most recent fuel economy testing from car and driver, the diesel silverado 2500hd gets 18 mpg in the city and 21 mpg on the highway. I left for the adventure planning to drive normally without towing or hypermiling to affect fuel economy.