2024 Gmc Sierra 2024 Hd At4 Towing Capacity. Aev package doesn't impact towing. The increased power has increased the towing capacity across the sierra 2500hd and 3500hd lineup, with a higher max rating of 22,500 pounds at the hitch.

Choose from either a gmc sierra 2500 hd or 3500 hd at4, and learn more about the vehicle specs, trims, and features available. Detailed specs and features for the 2024 gmc sierra 1500 diesel at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and.