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Powertrains and Performance
The standard engine on the LX is a 2.0-liter, inline four-cylinder engine. It generates 140 horsepower and 136 pound-feet of torque and is mated to either a five-speed manual transmission or a fou ...

Engine coolant
The high-pressure cooling system has a reservoir filled with year round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

Competitive Warranty
The 2009 Kia Optima is covered by Kia's comprehensive warranty program, which offers unprecedented consumer protection. Included in this program are a 10-year/100,000-mile limited powertrain warra ...