Tires are rated according to their maximum speed, and knowing how to interpret tire speed codes can keep you safe on the road ...

Your tire's speed rating will tell you how fast it can roll safely. ... The Best Performance Tires for Your Ride. The Best Tires to Use in the Rain. These Are the Top Tire Brands on the Market Today.

The ratings run from M for 130 km/h to Y for 300 km/h. In North America, where the maximum legal limit is 75 mph or 122 km/h in some U.S. states, virtually every passenger car tire sold exceeds ...

We wish you’d asked . . . Last week, my P255/45ZR17 tire picked up a sharp screw and went flat, so I took it to the local service station to have it repaired. Now, I am worried that the tire … ...

Most people in Calgary worry about whether their tires will get them through the winter unscathed but many don’t know that the wrong speed rating can be just as hazardous as a slippery street.

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 ...

That letter defines the speed rating of any given tire. Below is the breakdown of the most common ratings currently offered on most mass-produced tires. T: 118 mph: 190 km/h: U: 124 mph: ...

A tire's nominal tread width, aspect ratio, and speed rating appear both on a tire's description and its sidewall. Consider a tire labeled 245/45R17. Section width is the 245 (millimeters).

It takes a good level of precision to make a tire that's balanced enough to earn a speed rating of over 100 mph, so given the large 32.2-inch diameter of these 275/55R20 Defender LTX M/S tires ...