What Do the Numbers on Tires Mean?

If you’ve ever inspected your tires or purchased new ones from a local auto parts shop in Lawrence, KS, you must have noticed a combination of numbers and letters on the sidewall. These tire numbers carry crucial information about the tire’s size, type, and performance capabilities. If you’re unsure about the meaning behind these tire numbers or need guidance in selecting the right tires, let Maserati of Kansas City provide the necessary insights to help you answer the question: what do tire numbers mean?

Decoding Each Tire Number Meaning

Tire codes consist of a sequence of letters and numbers that convey vital details to you or your trusted Merriam service center, including tire size, load index, speed rating, and type. Let’s decode the tire number example “P215/65R15 95H” to understand better its significance:

1. Decoding “P”: The “P” indicates a “P-Metric tire” designed for passenger vehicles. “LT” denotes tires meant for light trucks, while tires without a letter prefix are European-style or Euro-Metric tires, each with distinct load capacities.
2. Decoding “215”: This number represents the tire width in millimeters, measuring from sidewall to sidewall. In our example, the tire width is 215 millimeters.
3. Decoding “65”: Following the forward slash, “65” indicates the tire’s aspect ratio. It signifies that the tire’s height is 65% of its width, resulting in larger sidewalls for higher aspect ratios.
4. Decoding “R”: The “R” denotes the tire’s radial construction.
5. Decoding “15”: The number “15” indicates the wheel size, specifying the type of wheel the tire can fit. In this case, the tire is meant for a 15-inch wheel.
6. Decoding “95H”: The final part of the code, “95H,” represents the tire’s load index and speed rating. The load index (“95” in this example) indicates the tire’s weight-carrying capacity when properly inflated, ranging from 75 to 105 for passenger vehicles. The “H” speed rating signifies a maximum safe speed of 130 mph for this tire.

How to Check Tire Pressure

Now that we’ve answered the question, “What do the numbers on tires mean?” Let’s talk about tire pressure. Maintaining proper tire pressure is essential for the health of your car’s tires, ensuring smooth performance on Wichita, KS roads. Checking tire pressure is a simple task, especially with the Tire Pressure Monitoring System (TPMS) now present in most modern vehicles. The TPMS will alert you if your tires are over or under-inflated. Should you require air in your tires, simply visit a gas station, or for added convenience, bring your vehicle to our service center, where we’ll gladly assist you during your service visit.

Schedule Your Next Tire Service in Merriam at Maserati of Kansas City!

When it comes to new tires, brake service, or regular oil changes, trust Maserati of Kansas City to cater to all your maintenance and parts requirements. Scheduling an appointment in Merriam, near St. Louis, MO, is easy and secure – just complete the service form, providing your VIN and basic contact information for our service technicians to provide tailored service for your Maserati. If you have any inquiries, don’t hesitate to reach out to us online. Check additional vehicle information like How Long Do Car Batteries Last or How to Prep Your Home for an EV!