3. Toyota Prius Plug – 58 Combined MPG
It seems Toyota is the greatest manufacturer of fuel-efficient cars in the world with the third generation Toyota Prius Plug featuring on the list. The Prius Plus is a smart family car by Toyota that has the smartest features and greatest fuel efficiency as compared to all the other previous generation Toyota cars. This amazing family car introduces for you an impressive equivalent of 95 miles per gallon in the all-electronic mode and 50 miles per gallon in the combined mode. Now, isn’t that a smart choice?