9. 2012 Honda Insight: 41/44 MPG
Updated for 2012, the Honda Insight squeezes onto the Top 10 list in 9th position with a 41 mpg city and 44 mpg. Thanks to aerodynamic enhancements and reduced friction components for the engine and transmission, the numbers have improved over last year’s 40/43 rating. Average fuel economy is pegged at 42 mpg.