MPH vs MPG
I bought a 2022 Chevy 3500 6.6L Duramax Turbo Diesel and wanted to check the fuel economy for both towing and not towing. The numbers you'll see DO NOT include regen periods where the engine is burni...
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I'm going to assume mileage gets better with some age. I have a 3/4 ton Duramax with similar size but heavier 5th wheel. I average about 13 or better when towing and typically at about 70mph.
