If it can handle over 186 mph (300 km/h), it must have a “ZR” in the description. Tyres marked with both designations for vehicles with speed capability over 240 Km/h but not exceeding 270 Km/h. When tires have a maximum speed capability above 149 mph (240 km/h), a “ZR” may appear in the service description. SPEED RATINGĪ tire with a “V” speed rating can handle 240 km/hr, or 149 mph. Once you’ve determined that “V” is the speed rating, you can use the chart to determine what speeds that tire can handle. Let’s continue with the example tire above, 205/60R15 91V. Noting the tire speed rating is one thing, but actually understanding what it means is another! That is where our tire speed rating chart below comes into play. the driver’s side door, inside the glove box, and so on). You can find the tire speed rating recommended by the manufacturer in your manual, and also in various places inside the car that list the recommended tire service code (i.e. You don’t need to crawl around on the ground, examining your tires to discover your tire speed rating. In 205/60R15 91V, the speed rating is represented by the letter V. The following chart breaks down one of these service descriptions. The tire speed rating is listed at the very end of the service description and it’s indicated by a letter, A through Y. However, finding a tire’s speed rating takes a bit of insider knowledge.Įvery tire has a service description, which probably looks like a jumble of letters and numbers to most people. However, every tire sold has a specific “tire speed rating” that tells you the range of speeds your tire is certified to safely handle under specific service conditions. If you didn’t even know that tires have a top speed, you’re not alone.
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