Understanding Tires

A primer on how to read the numbers and symbols embossed on tire sidewalls. Knowing how to read the tire can provide you with very useful information.

Uniform Tire Quality Grading is the term for three specific ratings applied to tires so that consumers can have standardized, easy to understand comparative data when they are searching for the right tire. That's the concept; the reality is somewhat different.

Need to change the size of your rims, but don't understand what the tire guy is telling you about 'Plus One', or 'Minus One' sizing? Here's how to figure out proper tire sizing like the pros do.

How tires are made, and what the various parts of a tire actually do.

We hear all the time from tire makers about their superior siping patterns, but what are sipes anyway?

Runflat tires are being used more and more by carmakers. Here are some reasons why not to use them.

Why should you downsize winter wheels? Smaller wheels and tires perform better in winter conditions.

Studded snow tires are great when you absolutely need them, but you want to be sure you absolutely need them.

Own a classic car? Which type of tire is best for your baby?

How to read and understand the Tire Identification Number (TIN).

Tire Rack's guide to understanding treadwear and manufacturer's mileage warranties.