A tire’s certified speed rating is given a letter from A to Z, ranging from 5km/h (3mph) to above 300 km/h (186 mph). This rating system (see below) shows the top speed for which a tire is certified.

Wondering what your tire speed rating is? From W speed rating to V speed rating, we’ve got you covered. Use our chart to learn what speed rating means for your tire.

Tire speed ratings are set by the tire manufacturers and are an indication of the tire’s maximum speed capability in ideal conditions. The tire load index rating communicates how many pounds a tire can …

Jan 2, 2026 · Explore the complete Tire Speed Rating Chart (A–Y) with a clear speed index table. Learn what each rating letter means, mph & km/h limits.

What does “speed rating” mean on tires? The speed rating on a tire indicates the fastest speed a tire can handle before it affects the tire’s performance. Lower speed ratings (such as A8 or B) will mean …

Understand tire speed ratings and tread life with this helpful chart from the experts at BFGoodrich.

Find out your tire's speed ratings, what they are for, and how and where to find them.

Get the information you need from our Tire Speed Rating Chart to purchase tires with a speed rating that is best suited for your vehicle. Learn more and buy tires online today at Goodyear.com.

This comprehensive chart shows the complete range of tire speed ratings. The letter designations may seem random (especially with H appearing between U and V), but this reflects the historical …

In this page you will find tire speed rating chart with maximum speeds in MPH and KMH, tire pressure and also tire load adjustments for high speed driving.