The 2012 Kia Optima is a midsize sedan offered in five trims: LX, EX, SX, EX Turbo and SX Limited. It comes either with a 2.4-liter four-cylinder engine that produces 200 horsepower or a 2.0-liter turbocharged four-cylinder generating a potent 274 horsepower, both paired with a six-speed automatic transmission. Standard features include a cooling glove box, Bluetooth and a six-speaker sound system with a CD player, an auxiliary audio jack and an iPod/USB audio interface. Also, the 2012 Optima is equipped with safety features including standard antilock brakes, traction and stability control, side airbags and side curtain airbags. Kia's UVO voice-activated cell phone and audio interface are optional on the EX Turbo and SX, while EX Turbo gains dual-zone automatic climate control, a touchscreen interface, rearview camera and an eight-speaker Infinity sound system. The Optima SX distinguishes itself with a sport-tuned suspension, unique exterior and interior styling details.