Compact cars - 2013 Honda Insight
Gas mileage (city/highway; combined mpg): 41/44; 42
Efficiency-cost rating: 2.17
The 2013 Honda Insight remains the best bang for your buck in this size class with an efficiency-cost rating of 2.17. It also soundly beats its stablemate, the Honda Civic Hybrid, rated at 1.75.