2025 Gmc Sierra 1500 Diesel Mpg. Detailed specs and features for the 2025 gmc sierra 1500 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. Including destination charge, it arrives with a manufacturer's.
Use our handy tool to get estimated annual fuel costs based on your driving habits. Fuel economy of the 2025 gmc sierra 4wd.