2025 Chevy 2025 Duramax Mpg. Take a look at what has changed, and the other features and new front end styling.  — depends on what you are towing as to what you’ll get for mileage.

 — the duramax diesel engine not only offers the highest torque available in chevy’s silverado lineup but also the best fuel economy. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!