2025 Silverado 3500hd Dually. The 2025 gmc 3500hd denali! Find specs and features for the 2025 chevrolet silverado 3500hd including dimensions, horsepower, engine, capacity, fuel economy, transmission, safety rating, drivetrain and more.

With an updated powertrain that promises enhanced performance, this truck is not just. Available in both 2500hd and 3500hd models,.