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.

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.

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 …

Tire speed rating codes are one of several important codes to pay attention to when you’re buying new or different tires. Let’s go over what they are, what they mean, whether they’re important and what to …

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.

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.

Each letter corresponds to a specific maximum speed. For example: S (112 mph): Perfect for everyday family cars and sedans. T (118 mph): Common on sedans and crossovers. V (149 mph): Designed …