New Duramax Engine 2025 Engine. General motors has announced a customer satisfaction program (n232427750) addressing an issue with the piston oil lubrication valve in certain 2025 model year chevrolet. The 2025 gmc yukon will continue to offer the 3.0l i6 lm2 turbodiesel duramax engine, rather than the 3.0l i6 lz0 engine expected originally.

The engine could produce up to 600 horsepower and. The new 3.0l i6 lz0 turbodiesel duramax engine for the 2023 chevy silverado 1500 and gmc sierra 1500 produces more power and torque than the previous lm2 engine.