2025 Duramax Features And Specs

2025 Duramax Features And Specs. The new l5p is the most capable duramax thus far offering 445 horsepower. More than a pretty face.

Detailed specs and features for the 2025 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. The new l5p is the most capable duramax thus far offering 445 horsepower.