2024 Chevy Duramax 2024 Diesel Review. Chevrolet has made big improvements to the 2024 silverado hd 6.6 duramax turbo diesel. The diesel suburban also has a ‘duramax’ badge on the rear power liftgate door.
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.