Top 10 Most Fuel Efficient Non-Hybrids

6. Volkswagen Golf TDI - 34

If the Audi is too rich for your blood, Volkswagen also sells a diesel-powered Golf.

Bear in mind that the next generation Golf is around the corner as a 2014 model year. Expect weight loss thanks to a new platform and subsequent fuel savings. For now, the car offers 34 combined mpg.