Tire speed ratings look like tiny letters buried in a sidewall code, but they shape how a car steers, stops, and feels long ...

Choosing the right tires is important to getting the most out of your car. Just because tires all look more or less alike doesn't mean they all perform the same, especially when it comes to speed.

If you own a car, you also own at least four tires—five if you’ve got an actual full-size spare in the trunk instead of one of those humiliating donuts. At every level from single-car owner to tire ...

Tire treadwear ratings, also known as Uniform Tire Quality Grading (UTQG), were developed by the National Highway Traffic Safety Administration (NHTSA) and the U.S. Department of Transportation (DOT).

There's a lot of technology that goes into modern tires. From knobby off-road tires to high-performance summer-sport rubber, there are all sorts of tires for just about every activity you can think of ...