What'S New In The 2024 Gmc Sierra Hd. The sierra hd denali ultimate and the sierra hd at4x. What’s new for the 2024 gmc sierra hd?

The 2024 gmc sierra hd is the latest iteration of gm’s fancier counterpart to the 2024 chevrolet silverado hd. Adaptive cruise control with trailering assist, previously standard on the 2024 at4x and denali ultimate trim levels, now comes on the at4 and denali trims.