2024 Duramax Mpg. My 2024 duramax is the worst fuel economy one i have ever had. When not towing the truck get 13 mpg.

Our 2024 silverado 2500hd high country came with a conventional tow rating of 18,500 pounds and a gooseneck rating of 19,100 pounds. The truck has 18,000 miles, i have towed our 11,000 lb fifth wheel 15,000.