Kia Optima: Wheel Size Designation - Tires and Wheels - Maintenance - Kia Optima MS/Magentis 2000-2005 Owners ManualKia Optima: Wheel Size Designation

Wheels are also marked with important information that you need if you ever have to replace one. The following explains what the letters and numbers in the wheel size designation mean.

Example wheel size designation: 15 x 6J

15 – Rim width in inches.

6 – Rim diameter in inches.

J – Rim contour designation.

Tire Size Designation
A tire’s sidewall is marked with a tire size designation. You will need this information when selecting replacement tires for your car. The following explains what the letters and numbers in the ...

Tire Speed Ratings
The chart below shows many of the different speed ratings currently being used for passenger car tires. The speed rating symbol is part of the tire size designation on the sidewall of the tire. Th ...

See also:

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