2025 6.6 Duramax Specs. Find incentives, rebates, recalls, and. Detailed specs and features for the 2025 chevrolet silverado 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain.

Complete information, specs, power and torque ratings on gm’s 6.6l l5p v8 turbo diesel duramax engine used in the chevy silverado hd and gmc sierra hd. More than a pretty face.