The 2012 Kia Rio5 is a 4-door, 5-seat Hatchback, available in 4 trims, ranging from the Base to the Base. Upon introduction, the $13,600 Base 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 Base 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.