2025 Gmc Sierra 2500hd Specs. Detailed specs and features for the 2025 gmc sierra 2500hd double cab pro including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders,. Here we provide all the technical details you need.

Learn about engine options, technology, and safety features. Find specs and features for the 2025 gmc sierra 2500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, safety rating, drivetrain and more.