CARFAX One-Owner. Clean CARFAX. Gray 2015 Ford F-150 4WD 6-Speed Automatic Electronic 2.7L V6 EcoBoost 4WD. Odometer is 32249 miles below market average! Awards: * NACTOY 2015 North American Truck of the Year * Green Car Journal 2015 Green Car Technology Award * 2015 KBB.