2025 Gmc Sierra 2025 Duramax Specs

2025 Gmc Sierra 2025 Duramax Specs. Gale starts by saying, “this is data that you won’t find on a spec sheet!” this new engine. Detailed specs and features for the 2025 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,.

Choose either a gmc sierra 2500 hd or 3500 hd and learn more about the vehicle specs, trims, and features available. These changes follow the 2022.