The 2006 Kia Rio Base sedan comes with a 110-horsepower, 1.6-liter four-cylinder engine with 107 lb.-ft. of torque; a five-speed manual transmission; and 14-inch wheels with P175/70R14 tires. A rear window defroster; a tilt steering wheel; a height adjustable driver’s seat with a fold-down armrest; front airbags, front side airbags, and side curtain airbags; and an 8,000-rpm tachometer also come standard.