2024 Chevy Duramax 2024. Chevrolet has made big improvements to the 2024 silverado hd 6.6 duramax turbo diesel. General motors has announced a customer satisfaction program (n232427750) addressing an issue with the piston oil lubrication valve in certain 2024 model.

It now makes 470 horsepower (up from 445) and 975. More than a pretty face.