2024 Duramax Diesel Specs. Power retractable assist steps with perimeter lighting, $1500; 2024 duramax diesel general motors announced a revised, more powerful version of the 6.6l duramax diesel for the updated 2024 model year gmc sierra and chevrolet silverado hd.

You might get the first couple of oil changes free. On top of that, i always drain the factory fill around.