2024 Gmc Duramax 2024 Diesel Engine. Current truck is a 2014 duramax with the 6 speed. Higher boost pressure from the turbocharger, compared to the previous engine, helps the l5p produce more power.
Along with a 19 percent increase in max torque over the current. General motors has announced a customer satisfaction program (n232427750) addressing an issue with the piston oil lubrication valve in certain 2024 model year chevrolet silverado 2500hd/3500hd and gmc sierra.