The 2012 Kia Rio is available as a 4-door, 5-seat sedan. Starting at $13,400, the 2012 Kia Rio LX (M6) is powered by a 1.6L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 29-mpg in the city and 37-mpg on the highway. The top of the line 2012 Kia Rio SX (A6), priced at $17,500, is powered by a 1.6L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 28-mpg in the city and 36-mpg on the highway.