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.

As a car owner, you probably already know that tires come with a size designation. It's a standardized code that helps you identify what exact tires will fit your vehicle perfectly. But the size ...

Tires have a lot markings on their sidewalls. Most of us know the basics, but in the next 11 minutes, we'll all become absolute know-it-alls about how to read just about every letter and number on a ...

EDMONTON – This is the time of year when many drivers will switch back to their summer tires, or be in the market for new tires. But do you know which letter, or tire speed rating, your tires should ...

Tire speed ratings basically tell you how fast you can go before your tires turn into shrapnel. Your everyday grocery-getters can get away with, say, inexpensive S-rated tires that will hold together ...

I'd like to know how critical it is to follow the speed rating on a tire when replacing it. What is the impact if a car's original specs are for an H rated tire and ...

Ever notice, or hear someone mention, a letter following the size description of a tire? That letter defines the speed rating of any given tire. Below is the breakdown of the most common ratings ...

Last fall, we joined Continental Tires at the Nardo proving ground in Italy, where eighteen tuner cars were invited to show off their top speeds on the 7.8-mile circular track. With our archaic speed ...

It turns out Y-rated tires hold up to a lot more speed than you'd expect, but 800+ mph is a bit much for any rubber. Russian YouTube channel Garage 54 figured it’d find out, which it did by building a ...

NEW YORK—Tires with high speed ratings are growing in popularity among U.S. consumers, according to the latest retail panel findings from market research firm GfK. The sales gains for ...

Q: My 2003 Volkswagen Passat calls for tires with an H speed rating. For replacements I'm getting conflicting advice. I'm told dropping to an S rating will save me money, provide a quieter and ...