Fuelly mileage of the big three diesels
It appears the new 10 speed in the Fords made a significant impact in catching up with the Cummins fuel mileage in the 2500's. Although it is still too little info in all of the new 2020 models to te...
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It ain't about the miles per gallon. It is about what you are towing and what you need to safety tow it with.
