2024 Gmc At4 Sierra Specs. In the following gm authority breakdown, we're taking a closer look at the 2024 gmc sierra 1500 towing capacities with ball hitch and gooseneck configurations. Gmc's star student is the sierra 1500, a truck with enough guts to tow up to 13,300 pounds that's also one of the 10 bestselling vehicles in the u.s.

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 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.