2024 Gmc At4 Hd Specs. This 2500 hd comes in onyx black on black with kalahari stitching perforated leather interior. The 2025 gmc sierra hd work truck pulls your world with turbocharged power and an impressive lineup of trims.

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