A “P” indicates a P-Metric tire. An “LT” indicates a light truck tire. These tires don’t use the P-Metric system, but they’ll fit on US cars, and you read the code the same way. If there’s no letter, ...

The Uniform Tire Quality Grading (UTQG) rating applies to three categories – treadwear, traction and temperature – which are tested under controlled conditions and graded to a standardized system.

Confused about the pressure number on your tire? Learn why the tire’s pressure rating isn’t what you should use and what to ...

Step 4: Spot the Wear Rating (Treadwear) Somewhere on the sidewall, you’ll see "Treadwear" followed by a number like 300 or 500. Higher numbers mean the tire lasts longer before it’s bald.

Treadwear rating: The word "TREADWEAR" on the side of your tire is followed by a number such as 120 or 180. This tells how durable the tread is compared with an industry standard number of 100.

Have you ever heard of the tire traction rating before? Well, if you haven't, here's everything you need to know about it, ...

Different types of tires carry different speed ratings. For instance, an S-rated tire can handle 112 mph, ... Here’s How To Read Tire Sizes And Change Tire-Wheel Sizes .

Your tires aren’t just full of air, they’re full of information important to know regarding their size, health and capabilities. The trick is to know how to decipher the markings and other ...

You should match the tire's size measurements, but you have some flexibility to go higher with the load index and speed rating. For more on how to read a tire label, go to our tire buying guide.

Your tires aren’t just full of air, they’re full of information important to know regarding their size, health and capabilities. The trick is to know how to decipher the markings and other ...

The LT designations (LT-metric, LT-flotation, and LT-numeric) all carry load ratings. The maximum load, designated by a load range letter, is molded into the tire’s sidewall.

This rating corresponds to a list of speeds on a tire speed rating chart. The speed rating is typically selected to match the vehicle's top speed. In the example "H", the letter indicates that the ...