gladehound
Veteran Member
Maybe I was unlucky but In the last ten years I have owned one F-150 ecoboost, four 3/4 ton gas F-250s, a 3/4 ton duramax, a dually duramax, two dodge diesel 3/4 tons, a F-250 diesel, a F-350 diesel and a F-450 diesel. The ecoboost got the worst mileage out of ALL of them. I bought it brand new in 2012 and traded is six months later because the mileage was so bad and it had a small tank. It had plenty of power I will give it that.
There were certainly a number of people who reported poor MPG with the early ecoboost engines. But if you go by averages at Fuelly.com most ecoboost owners are doing considerably better on MPG than most 3/4 ton gas owners. The gas to diesel comparison isn't really fair. My 1999 F250 diesel got better fuel mileage than my v6 Explorer did!