2024 Gmc Sierra 2500hd Length. See the complete list of 2024 gmc sierra hd updates,. The sierra hd benefits from the same type of enhancements as the silverado hd.
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. Gmc’s heavy hauler, the sierra hd pickup with the diesel engine, is rated to tow up to 22,500 pounds conventionally or 36,000 with a gooseneck hitch fitted.