2024 Chevy Duramax Hp Rating. 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. As such, ford super duty trucks lead the way when it.
That helped boost the engine rating. From a previous 445 hp at 2,800 rpm, chevrolet engineers have increased the l5pโs power to 470 hp.