In short, it’s the fastest speed a tire can handle before it no longer performs as designed. The higher the speed rating, the better control and handling you’ll have at higher speeds. The speed rating system …

Learn how to read tire speed ratings and load indexes. Find how how to find tire speed ratings and load index and why they're important when buying new tires.

What is the tire speed rating? The tire speed rating indicates the maximum speed at which a tire can carry its maximum load. On the sidewall of your tire (or the sticker in the driver's door, or the owner’s …

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

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 …

Dec 22, 2025 · Learn how to read a speed index tires chart, what tire speed ratings mean, and how to choose the right speed index for safe, confident driving.

Discover what tire speed ratings mean for your safety. Learn how V, W, Y ratings affect handling, durability & why matching your car's specs matters most.

Nov 13, 2024 · Learn what a tire speed rating is, how it affects performance, and why it’s important for safety. Find the right speed rating for your vehicle today.

That final letter in your tire code is the speed rating - it tells you the maximum speed your tire can handle under its recommended load. An "H" rating, for example, means the tire can handle speeds up to …