Vehicle Questions and Answers
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The 2017 Kia Optima has various tire sizes, including 205/65R16, 215/60R16, 215/55R17, 215/50R18, 235/45R18, 235/50R17, 215/50R18, 235/45R18, 235/50R17, 235/45R18, 235/40ZR19, 245/40ZR19, 235/50R17, 215/50R18, and 235/45R18. The rim sizes on your car are 6.5Jx16, 7Jx17, 7Jx18, 7.5Jx18, 7.5Jx17, 7.5Jx18, and 8Jx19. The recommended tire pressure for your vehicle is 34 psi, which you can verify on the placard inside your car.
The 2017 Kia Optima comes with 18-inch wheels as standard. It uses tires sized 235/45R18, and the ideal tire pressure is 34 pounds per square inch (psi).
Can I replace my 225/55/17 tires with 235/55/17 tires on my car?