Gmc 2024 2500 Hd At4. The first ever sierra hd at4x and at4x aev edition is taking the at4 experience to the next level. View detailed specs, features and options for the 2024 gmc sierra 2500hd 4wd crew cab 172 at4 at u.s.

This 2500 hd comes in onyx black on black with kalahari stitching perforated leather interior. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.