2024 Duramax Fuel Mileage Uk. I was at my dealer for service to my 2022 zr2 this morning and they had a white 2024 2500 hd zr2 on the floor optioned out on the sticker at $87,905. Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg.
The 2024 silverado 2500 duramax diesel achieved a result of 18 mpg in our testing. The average mpg for a truck with a duramax engine varies depending on the truck model as well as on which duramax engine it has.