The Ford Explorer is a well built truck-based SUV. This body on frame mid-size SUV is credited with launching the SUV revolution when introduced in 1990. The EPA estimates fuel economy at 13-14 MPG city to 20-21 MPG highway. Rear-wheel and all-wheel drive trains are available on the Explorer. Watch the Pre-Owned Vehicle Review for the 2006 to 2009 Ford Explorer to view JD Power Ratings for overall dependability, predicted reliability, overall performance and design, safety, and overall initial quality.