YMMV--but I get 16 towing and 18 not towing on the highway with Ford 150 ecoboost. Interestingly enough, when I towed my old Coleman Bayside to trade for my Trailmanor- I got 1mpg better with the TM even thought it was about 1000 lbs heavier--but that was only 100 miles each way.
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Mark & Claudia - Greeley, Colorado
2016 Lance model 1995
2013 Ford Lariat F-150 Super Crew Eco-boost with 4x4 Off Road & Max Tow
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