2024 Duramax Mpg To. Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg. Current truck is a 2014 duramax with the 6 speed.
Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg. We take a trip in the 2024 chevy silverado hd to see how it drives and the mpg.