2024 Duramax Diesel Specs. (1,234 nm) โ to enable easier,. 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.
With this inside look, gale finds upgrades to the 2024 gen 2. The new l5p is the most capable duramax thus far offering 445 horsepower.