2024 Gmc Denali 2024 Duramax. Gmc is still using the same battery packs, but has more efficient motors and software this. The 2024 gmc sierra denali ultimate is redefining what it means to drive a premium truck.

Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg. Some are ok, but more problems on the new ‘24 electrical architecture than there has been in a long time.