
During the process of inspecting your tires or when purchasing a brand new set, there’s a good chance that you have noticed a combination of numbers and letters on the sidewall. Because of this, you may have asked, “What do tire numbers mean?” This code indicates the size and type of tire it is and its particular performance purpose. When you are in the market for a set of brand new tires and need to figure out the type that your vehicle requires, Auffenberg Dealer Group near O'Fallon has the details.
A tire’s code is made up of a series of letters and numbers. This lets you know its size, load index, speed rating, and type of tire. It makes shopping for new tires much easier. Here is an example of what a tire code may look like:
P215/65R15 95H
This may look a bit complicated, but once you know what each section means, it should all make sense. Each section of code represents a piece of information to correctly identify the type of tire it is.
After the slash is where you will find the aspect ratio code. It is the number “65” in the sample above. How is a tire’s ratio determined? It’s the ratio of the height of the tire’s cross-section to the width. If you look at the previous example, you will see the aspect ratio shows the height is equal to 65% of the tire’s width. Tires with bigger sidewalls will have a larger aspect ratio.
The last part of the code is the tire’s load index and speed rating. In the example, it is “95H.”
If your vehicle is in need of new tires, or you have questions about your tires, do not hesitate to reach out to Auffenberg Dealer Group. We would be glad to answer all of your parts and service inquiries.
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