2024 Duramax Diesel Review. Tip into the throttle and the engine responds with. 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.
Tip into the throttle and the engine responds with. Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg.