2024 6.6l Duramax Turbo-Diesel V8 Engine Mpg. How much is the average duramax 6.6 turbo diesel v8 mpg? It’s now rated at 470 horsepower and 975.

Does anyone have any real world data on the 2024 6.6 gas v/s 6.6 diesel fuel economy. It’s now rated at 470 horsepower and 975.