Peters Kia of Nashua

The 2012 Kia Rio puts the fun in functional, with a sophisticated powertrain, best-in-class horsepower and up to 40 miles per gallon (mpg)/highway. Its eco-friendly features don't stop at the car's gas tank, either. Rather, they're integrated throughout the entire vehicle. Furthermore, 85-percent of the Kia Rio subcompact's body is made from recyclable materials. Add another door to the mix and you have the 2012 Kia Rio Five-door, rounding…