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What size do you need?
Many Makes and Models offer additional size options, it's important to know in advance the vehicle's Original Equimpent size which can be located in several places in your vehicle. See the diagram below. Click here for more details.
What's Your tire's size?
You can also check your existing tire's designation on the sidewall. Remember, there is no guarantee that this is the original tire size unless they came on the vehicle new.
Width
This three-digit number represents the width of the tire in millimeters (mm), measured from sidewall to sidewall. Since this measure is affected by the width of the rim, the measurement is done when the tire is on its intended rim size.
Aspect Ratio
The aspect ratio is the relationship of a tire's sidewall height to its section width, expressed as a percentage. In this example, the tire sidewall height is approximately 55% of the tire width. The higher the number, the taller the sidewall; the lower the number, the lower the sidewall.
Rim size
The diameter of the rim in inches.