The standard features of the Kia Rio S include Gamma II 1.6L I-4 120hp engine, 2-speed Intelligent Variable Transmission (IVT) CVT transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, air conditioning, 15" steel wheels, cruise control, ABS and driveline traction control, Vehicle Stability Management (VSM) electronic stability.