If you’ve ever checked your tires or if you’ve had to order new ones from your local Westlake tire shop, you’ve more than likely seen the combination of numbers and letters on the sidewall of them. So, you’re probably wondering, “What do tire numbers mean?” This code indicates the size and type of tire it is, and its particular performance purpose. If you need new tires and need to determine which ones to get, or if you’re simply wondering what the numbers on tires mean, let the service team at Ken Ganley Honda North Olmsted teach you.
A tire’s code uses a series of letters and numbers to inform you or your North Olmsted service center of the size, load index, speed rating, and type of tire your vehicle needs for maximum performance. Take this code for example:
While it may seem like gibberish, each section of code represents a piece of information to correctly identify the type of tire it is.
The “P” stands for “P-Metric tire,” meaning that it is used for passenger vehicles. If your tires read “LT,” this stands for “light truck,” and the tire is intended for light-weight pickup trucks. If the tire does not have a letter preceding the code, it is a European-style tire, or Euro-Metric tire, which has different load capacities.
Following the “P” is the “215” number, which stands for tire width in millimeters from sidewall to sidewall. So in our example, the width of this tire is 215 millimeters.
After the forward slash comes the aspect ratio code, indicated in our example by “65.” A tire’s ratio is the height of the tire’s cross-section to its width, so in our example, this tire has an aspect ratio where its height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the sidewalls will be.
The “R” indicates the tire’s construction, with “R” representing that it’s a radial.
“15” indicates the wheel size from one end to the other, which informs us of what tire can fit on this particular wheel. This code tells us that this tire is meant for a 15-inch wheel.
At the end of the code is “95H,” which is the load index and speed rating for the tire. The load index (“95” in this instance) indicates how much weight the tire can support when it’s properly inflated and can range from 75-105 for passenger vehicles. “H” represents the speed rating, which is how fast the tire can safely go based on its load capacity. This rating is ranked by various letters. In our example, a tire with an “H” rating can reach a maximum speed of 130 mph.
Regardless of the size of your car’s tires, one of the best ways to keep them in good health on Westlake roads is to keep them properly inflated. Checking your vehicle’s tire pressure is quick and easy, as nowadays, most new vehicles have a Tire Pressure Monitoring System (TPMS). If your vehicle’s tires are over- or under-inflated, you’ll receive a notification from the TPMS. You can take your vehicle to a gas station to top off the air in the tires, or we’ll do it for you when you come in for a service visit!
If you need new tires or brakes or are ready to come in for your regularly scheduled oil change, turn to Ken Ganley Honda North Olmsted for all of your maintenance and parts needs! Complete this secure schedule service form to make an appointment in North Olmsted. Complete this form by entering in your VIN and basic contact information, so our service technicians can best service your Honda. If you have any questions, contact us online.
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