2024 Gmc At4 2024 Diesel 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. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

View detailed specs, features and options for the 2024 gmc sierra 1500 4wd crew cab 147 at4 at u.s. The big news is the duramax diesel engine, with is surprisingly smooth and quiet.