Boasts 23 Highway MPG and 18 City MPG! This Ford F-150 delivers a Regular Unleaded V6 3.5 L EcoBoost engine powering this Automatic transmission. ENGINE: 3.5L V6 ECOBOOST.* This Ford F-150 Features the Following Options *.* Visit Us Today *Test drive this must-see, must-drive, must-own beauty today at Barber - Dyson Ford, 501 E Highway 66, Elk City, OK 73644.