Being able to read the sizing code on the sidewall of your tires is a helpful skill, especially when it comes time to purchase a new set. But if you haven't been told how to break the code down then it can be somewhat confusing at first. So, let’s take a look at what those letters and numbers really mean.

For example, if a tire sizing code reads P215/60R15 then that translates as:

  • P - Passenger vehicle type tire.
  • 215 - Tire width. This tire is 215 millimeters wide.
  • 60 - Aspect ratio. The height of this tire would be 60% of its width.
  • R - Radial construction.
  • 15 - Wheel diameter. This tire would fit onto a 15 inch wheel.

So once you see it broken down, it is much easier to read. If you have any other tire sizing related questions then call or visit the experts in our service department here at Audi Fairfield in Fairfield, CT.

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