3.5 Ecoboost towing 5th wheel mileage?
Read lots of reports of the great power of these trucks and mileage solo, but nobody talks about towing with a boxey fifth wheel. My old Dodge Cummins always got 12.5 to 13.5 with my 29ft Golden Falc...
Forum Discussion
A friend of mine recently traded his tt for a 28' Cougar fw and gets better gas mileage now, even though he is now about 3000 lbs heavier. He says he gets about 12.5 mpg using premium gas. He has the upgraded boost with 420 hp.
