What Tire Numbers Mean

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What Tire Numbers Mean
Related Categories: Speed Rating Chart | Winter Tire Speed Rating | Lower Speed Rating | Noise Comfort Rating | H V T Rating | H Rating | Wheel Load Rating | Shipping To Canada | Canadian Orders | Honda Civic Tire Sizes
  • Frequently Asked Questions

  • …these optional tire sizes are based on vehicle specific wheel sizes/offsets offered by Tire Rack. 23,333 out of 46,417 people found this answer helpful • Was this answer helpful to you? Yes | No Thank you for submitting feedback on this answer. What does speed rating mean and what is correct…

  • Tire Speed Ratings

  • tire size is, just check the sidewall.) For example, if your tire size is 225/50R16 89S, the letter "S" would represent your tire speed ratings. But what does it mean? Tire speed ratings tell you how fast you can drive on your particular tires. Sounds crazy when you look at the numbers

  • Great tire...or great tire for the money?

  • …about tires like my wife does shoes!) But, you have to remember that there is only one thing between you and the road, between you and the car in front of you, and you and the ditch. So what does this mean? When you look at customer survey results that are posted on our website, those numbers are…

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  • XL Load Tires

  • …undesirable. What does this mean? Let's look at two Max Performance Summer tires in 225/45R17, the Dunlop SP Sport Maxx and the Michelin Pilot Sport PS2. The service description on the Dunlop tire is 94Y and 91Y on the Michelin. The difference in the numbers is a difference in the weight each tire

  • What Does the UTQG Rating Mean?

  • …driven.The tires have only experienced a little tread wear after the 7,200 miles test course, this means the tire manufacturers need to extrapolate their data from the test run and give their interpretation of how long their tire will last in relation to the course monitoring tires. Some of these…

  • What Does 'XL' Stand For?

  • tires, XL really means extra load. These tires can use higher air pressure to support more weight than a standard tire of the same size. If you want to see whether your current tires are standard or extra load, you can check the service description on the tire's sidewall. An extra load tire will…

  • What is a coil over?

  • …vehicle a very race-like approach to its suspension. At Tire Rack, we stock a number of coil-over applications. For example, the Bilstein PSS10 is a fully adjustable coil-over system that provides 10 adjustment settings (all of which are numbered so you don't have to count clicks). And the H&R…

  • An Informative Way to Start Your Tire Search

  • As you know, Tire Rack keeps a large number of consumer surveys on hand. This is strictly for your benefit during the purchasing process. You'll find tire reviews for a number of popular manufacturers, which means you can read Hankook tire reviews, Sumitomo tire reviews, Uniroyal tire reviews...of…

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