2024 Duramax Horsepower. Improved styling, an upscale interior, and more powerful duramax engine make the. The 6.6l duramax l5p is the most recent generation of the duramax 6600 engine family and is found in 2017 to current chevrolet silverado, gmc sierra 2500 hd/3500 hd pickup and chassis cab trucks.
Similar to the lml, the. My 2024 duramax is the worst fuel economy one i have ever had.