Standard alloy wheels for the wagon version is the 2004 headline for Kia's entry-level subcompact line. Among the least-expensive cars on the market, Rio comes as a sedan and as a wagon. Kia calls the wagon the Cinco. Both have a 4-cyl engine. Manual transmission is standard, automatic optional. ABS, air conditioning, power windows, and power door locks are optional. Side airbags are unavailable. Power steering, tilt steering wheel, and a CD player are optional on the sedan and standard on the Cinco. Kia is owned by Hyundai, and both South Korean automakers share warranty coverage: 5-years/60,000-mi. basic, 10/100,000 powertrain, 5-years/unlimited roadside assistance.