8. Hyundai Genesis V6 - 568 Miles
SEE ALSO: 2012 Hyundai Genesis Sedan Review
In its most efficient form the Genesis is powered by a 333 horsepower V6. An eight-speed automatic gearbox routs power to the rear axle. In city driving the car can travel 18 miles on a gallon of fuel; its highway rating is considerably better at 28. That gives it a total driving range of 568 miles.