2024 Gmc Sierra 2500hd At4. 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. General motors officially unveiled the fully refreshed 2024 gmc sierra hd last october, revealing an updated exterior, an overhauled interior, a new trim level lineup, and.