2024 Duramax Hp. With only 305 hp on tap, which peaks at a high (for a diesel) 3,750 rpm, we’ve found that regaining lost speed and momentum at times proves challenging. It’s not an insurmountable issue, it.

After a 20 minute install. The new specifications on the 2024 chevrolet silverado hd include a bump of 25 horsepower up to a total of 470 hp at 2,800 rpm.