10:Luxury SUV: Volvo XC90

This very nifty Sports Utility Vehicle is equipped with a 2.0 Litre 4-cylinder turbocharged engine; this means that you can score 22 city and 26 highway mpg (miles per gallon). The reason it has landed on this list. This is a key thing to look for in fuel-efficient cars as the main reason you want to invest in a fuel-efficient car is so that you needn’t worry about the long term gas expenses. In general, if you have a 4-cylinder turbo-charged engine then you are doing good on the fuel-efficiency and so is the case with this.

Luxury SUV.