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In 2009, the base size tire for the Kia Optima is 205/60R16 and is featured on the EX, EX V6, and LX models. The EX versions offer the choice of 215/50R17, the standard size for the SX and SX V6 models. Wheel sizes range from 16 to 17 inches in diameter with a width of 6.5 inches. The recommended tire pressure for both sizes is 32 psi for front and rear tires. It's essential to maintain proper tire inflation to avoid premature wear and ensure safety. Incorrect tire pressure can increase rolling resistance, leading to lower fuel efficiency.
In 2009, the Kia Optima comes with 17-inch silver aluminum wheels as standard. It is advised to keep the tire pressure at 32 psi for both the front and rear tires. The front and rear tires have a size of P215/50R17.