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 Features the Following Options * . * Stop By Today * Stop by Barber - Dyson Ford located at 501 E Highway 66 Elk City OK 73644 for a quick visit and a great vehicle!