New Duramax Engine 2024 Release Date. Refresh now expected for the 2025 my, if. General motors announced a revised, more powerful version of the 6.6l duramax diesel for the updated 2024 model year gmc sierra and chevrolet.

2024 chevrolet silverado 1500 zr2 duramax vehicle type: According to sources familiar with the matter, the new 3.0l i6 lz0 turbodiesel duramax engine is now available to order for 2023 chevy silverado 1500.