Top 10 Most Fuel-Efficient Non-Hybrid Family Sedans

7. 2015 Hyundai Sonata, 2.4-Liter, Six-Speed Automatic – 25/37/29

Hyundai’s popular Sonata sedan has been refreshed for 2015. The car gains new exterior styling, a fresh interior along with more features and refinement than ever. It’s powered by a 2.4-liter four-cylinder engine that delivers 184 hp and 178 lb-ft of torque. It’s paired to a responsive six-speed automatic transmission.

SEE ALSO: 2015 Hyundai Sonata Review

This drivetrain combination returns a claimed 25 miles per gallon in the city and up to 37 on the highway, figures that result in a combined rating of 29 MPG. Upping the efficient ante a special Eco version of the Sonata will launch later this summer. With a 1.6-liter turbo and a seven-speed dual-clutch transmission it’s expected to average 32 MPG combined.