Reading Tire Numbers

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Reading Tire Numbers
Related Categories: Tire Size Chart | Trailer Tire Load Range Chart | How Old Should New Tire Be | Speed Ratings Explained | Speed Rating Chart | Trailer Tire Speed Rating | Rating Chart | 91w | Canadian Orders | H V T Rating
  • What are all those numbers in tire sizes?

  • …P-metric tire sizes have been around since the 1980's, classic muscle cars and ponycars often use the old Numeric and Alpha Numeric tire size systems. We put together a chart that will help you decipher these tire sizes based on today's P-metric system. (Read more.) Search for tires by tire size.

  • Related Products: Tire Size Chart
  • Frequently Asked Questions

  • …How to Read Speed Rating, Load Index & Service Descriptions When searching by vehicle, you can select the rating(s) based on your vehicle and intended use. When you choose "recommended" you will see the speed rating(s) appropriate for your vehicle. Numbers in parentheses indicate quantity of tires

  • Read our Goodyear Reviews

  • …That's how many Goodyear consumer reviews we've got posted on our site. It's a big number, and it represents a big help. You should always know how they roll before you invest in any set of tires. We'll even tell you how we feel, too, as we've done our fair share of testing to…

  • Continental ExtremeContact DWS Returns to the Number One Spot

  • …back to the top. This Continental tire betters the competition in traction in light snow, deep snow and on ice. Continental ExtremeContact DWS Bridgestone Potenza RE970AS Pole Position To see the complete results of our latest test, read "Testing Ultra High Performance All-Season Tires."

  • You'll want to read these Sumitomo tire reviews.

  • …big number, and it represent real-word experience on the Sumitomo tires you're interested in buying. Good or bad, we post it : Sumitomo HTR+ (Ultra High-Performance All-Season) "I installed these tires on my Lancer Evolution to serve as winter tires since the car came with summer-only tires. I…

  • Related Products: Sumitomo All Season
  • Is there xenon in your replacement bulbs?

  • …and the wire with a ballast, ultimately generating a whiter light source. It is, quite possibly, the most advanced replacement bulbs you can find. (Read more.) Tire Rack carries a number of xenon-filled replacement bulbs from brands like Hella and PIAA. Search by vehicle to determine what fits.


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