2024 Gmc Sierra 2024 Duramax Specs. Select a 2024 gmc sierra hd to view feature and capability specs on the official site. Detailed specs and features for the 2024 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.
These changes follow the 2022. As we can see from these tables, the 2024 gmc sierra hd model with the highest towing capacity rating is the 3500 hd regular cab / long bed drw (dual rear.