2025 Silverado 2500hd Specs. Under the hood, the 2025 chevrolet silverado 2500hd specs houses a range of robust powertrain options designed to deliver exceptional performance. Choose between the 2025 chevy silverado 2500 hd or 3500 hd and learn more about the available trims and specifications for the heavy duty trucks.
Find incentives, rebates, recalls, and warranty. As was the case for the 2024 model year, the 2025 chevy silverado hd is offered with two different engines, starting with the naturally aspirated 6.6l v8 l8t gasoline engine, rated at 401.