6. Kia Rio 5-Door: $13,600
All-new for 2012, the Kia Rio 5-door shares its underpinnings with the Hyundai Accent hatch. Priced at $13,600 you get a high-tech direct-injection 1.6L that achieves best-in-class 30/40 mpg. An optional fuel economy package will add on a start-stop system to improve city mileage by one tick. A fine and affordable machine, the Rio is perhaps better bought with options, including some styling 17-inch wheels, UVO telematics system and navigation. There’s even a heated steering wheel. But all that will cost you. A lot.