What Do the Numbers on Tires Mean?

Closeup of Tire Numbers with Wheel Rim


If you’ve tried replacing or ordering Hyundai tires, you’ve probably noticed the set of numbers and letters on the sidewall of your tires. You’re probably wondering, “What do the numbers on tires mean?” This sequence is used to indicate the type of tire it is, the size used for your vehicle, and its performance purpose. When you’re shopping for tires around Saugus, it’s a good idea to understand the tire number meaning. Learn more about your tires with Pride Hyundai of Lynn, and don’t hesitate to contact our parts center to find the right tires for your Hyundai vehicle. 

Understanding Tire Number Meaning

The number on your Hyundai tires allows you and technicians at Revere-area service centers to know the size, load index, speed rating, and type of tire your vehicle needs to perform its best. While the example we’ll use below may seem like gibberish, it has all the information needed to find the right tire. So, what do the numbers on tires mean?

Example: P215/65R15 95H


The beginning of the tire number stands for the type of vehicle. “P” stands for “P-Metric tire,” meaning that it is used for passenger vehicles. You’ll often see “LT,” which stands for “light truck,” meaning the tire is intended for light-weight pickup trucks. Tires that don’t have a letter at the beginning of the code are European-style tires, or Euro-Metric tires, which have different load capacities.


The number following the “P” indicates the tire width in millimeters from sidewall to sidewall. In this example, the “215” means the tire is 215 millimeters.


Following the forward-slash in this example is “65”, which identifies the tire’s aspect ratio. The aspect ratio is the height of the tire’s cross-section to its width. This means that the bigger the aspect ratio, the larger the sidewall will be. In our example, the tire has an aspect ratio where its height is equal to 65% of its width. 


If the construction type of your tires is radial, it’s indicated with an “R”. 


If you’re looking to make upgrades to the Hyundai tires on your vehicle, this number indicates the wheel size from one end to the other. In our example, the “15” tells us that this tire is made for a 15-inch wheel. 


Another key part to upgrading your performance around Everett, the “95H” identifies how much weight the tire can support when properly inflated. The load index (“95” in our example) can range from 75 to 105 for passenger vehicles. The “H” is how fast the tire can safely go based on the load capacity. The speed rating can rank from A-Z, with “H” being able to reach a maximum speed of 130mph. 

Checking Tire Pressure

One of the best things you can do to maintain your performance and keep your tires in good health around Lynn is making sure they’re properly inflated. Most new vehicles have a Tire Pressure Monitoring System (TPMS) to quickly alert you if they are over- or under-inflated. We’ll check your tire pressure for you when you schedule your routine service or simply stop at the gas station to get your tire pressure to the proper level. 

Schedule Your Service With Pride Hyundai of Lynn!

With understanding the tire number meaning, you’re ready to find the right tires for your Hyundai. When it’s time for your next tire, brake, or oil service, be sure to take advantage of our service specials to save on your visit. Contact us if you have any tire or service questions.

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