2024 Gmc Sierra 2500hd At4. Build and price a 2024 gmc sierra 2500hd at4, with your choice of trims, colours, and more. This 2500 hd comes in onyx black on black with kalahari stitching perforated leather interior.
The first ever sierra hd at4x and at4x aev edition is taking the at4 experience to the next level. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.