2025 Gmc Sierra 2025 Specifications And Features. 2025 sierra 1500 specs (horsepower, torque, engine size, wheelbase), mpg and pricing by trim level. Detailed specs and features for the 2025 gmc sierra 1500 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.

View detailed specs, features and options for the 2025 gmc sierra 1500 4wd crew cab 147 at4x at u.s. See body style, engine info and more specs.