I am getting a flat 15 mpg city and road on my EcoBoost. On the highway, if I drive only 55 miles per hour, and do not use the cruise control, I might get 19, but with 18000 miles my average is a flat 15 mpg.
Fellow Ford folks!! The posts on the mileage sounds terrible. My expedition with a 5.4 gets better than what you have been getting.. I talked to a person with a new ecoboost that does get over 20 on the road and even gets into the teens pulling a 10000 pound load too..
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