Top 10 Most Fuel Efficient Non-Hybrids Share Tweet Subscribe Get AutoGuide.com in your Inbox This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Like AutoGuide.com on Facebook 4 of 11 By Luke Vandezande May 29, 2013 8. Nissan Sentra FE+ - 34 New for this year, Nissan is offering a fuel economy oriented version of the Sentra. It offers improved aerodynamics that in tandem with a CVT offer an estimated 34 mpg. Not only that, but the Sentra is more spacious than its rival, the Honda Civic. 4 of 11 Previous Next Filed under: Featured Articles Tags: Chevrolet, diesel, fiat, fuel-efficient cars, Nissan, non-hybrid, Scion, SMART, sub-compact, TDI, Volkswagen