The 2012 Hyundai Elantra sedan gained an ActiveECO System, which modifies the car's acceleration response to boost gas mileage by up to 7%. Elantra buyers can choose from GLS and Limited trims, and the standard engine is a 1.8-liter four-cylinder with 148 horsepower. This Hyundai's EPA-estimated fuel economy ranges from 28/36/32 mpg in city/highway/combined driving to 23/30/26 mpg. The 2012 Elantra seats five people and provides 14.8 cubic-feet of cargo space. Hybrid and hatchback versions are available but discussed separately.