2024 Chevy Duramax Mpg Range. Steady speed on the road numbers get whacked all the other things the vehicle does day to day. Here's the average duramax diesel mpg you can expect for popular trucks

The optional diesel is the most economical, with epa estimates of up to 23 mpg city and 33 mpg. The duramax turbodiesel engine combines incredible torque with good fuel economy.