2024 6.6 Duramax Mpg
2024 6.6 Duramax Mpg. The 6.7 powerstroke can average 14 mpg in the city, 18 mpg on the highway, and 14.5 combined. โ looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg.
In his latest video, mr. Use our handy tool to get estimated annual fuel costs based on your driving habits.