2024 6.6 Duramax Specs 2024. The truck's l5p duramax diesel engine received a substantial bump in power and torque thanks to a stout list of upgrades, including a new turbocharger, improved piston. 2024 chevrolet silverado 3500hd specifications, fuel economy, features, warranty, recalls, safety ratings, incentives, and rebates information.

The new engine, mated to the 10l1000 10. 2024 duramax diesel general motors announced a revised, more powerful version of the 6.6l duramax diesel for the updated 2024 model year gmc sierra and chevrolet silverado hd.