Boasts 22 Highway MPG and 17 City MPG! This Ford Expedition boasts a Twin Turbo Premium Unleaded V-6 3.5 L/213 engine powering this Automatic transmission. ENGINE: 3.5L ECOBOOST V6 -inc: auto start-stop technology (STD). *This Ford Expedition Comes Equipped with These Options * . * Stop By Today * Test drive this must-see must-drive must-own beauty today at Barber - Dyson Ford 501 E Highway 66 Elk City OK 73644.