How to Read the Letters and Numbers on a Tire

Tires play an important role in getting you safely to your destination. There is a group of abbreviations on the side of your tire that explain critical information about the right fit for your vehicle. A little explanation will help guide you.

The first letter indicates the type of vehicle, so a "P" represents a passenger car. The next set of three numbers is the tire’s width in mm. A tire that’s 225 (mm) is approximately 8.86 inches. After the slash is a two-digit number, which represents the aspect ratio. If there’s a 65 after the slash, for instance, that means that the height is 65% of the width. The next letter is usually "R" for radial. Finally, the last two-digit number stands for the wheel diameter. A 16 indicates that the tire will fit on a 16-inch wheel.

Stop by Lithia Volkswagen of Reno when you’re in the Reno, Nevada region. Our experienced technicians are here to answer specific questions for your vehicle.

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