The 2012 Kia Rio5 is a 4-door, 5-seat Hatchback, available in 4 trims, ranging from the LX (M6) to the SX (A6). Upon introduction, the $13,600 LX (M6) is equipped with a standard 1.6L, 4-cylinder, engine that achieves 29-mpg in the city and 37-mpg on the highway. a Manual transmission is standard. The $17,700 SX (A6) is equipped with a standard 1.6L, 4-cylinder, engine that achieves 28-mpg in the city and 36-mpg on the highway. an Automatic transmission is standard.