Gmc Denali 2024 Diesel. Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg. The denali luxury pickup truck’s interior features signature styling and amenities to make all your travels an uncompromising luxury experience.

[a] this difference reflects the. The sierra 1500 also can be had with adaptive dampers and wheels as large as 22 inches.