FAQ: What Does Speed Index Mean On Tires?

What does the T or H mean on tires?

All these ratings cover speeds well above legal limits. The most popular, S, T, and H, are rated for 112, 118, and 130 mph, respectively. Traditionally, most family cars have used S- and T -rated tires, while tires rated H and higher have mostly been available only in sports cars or upscale sports sedans.

What does H or V speed rating mean?

H – rated tires are rated for a maximum speed of 130 mph. The V rating is the next rating faster, and V – rated tires are good to 149 mph. Both H – and V – rated tires are considered to be performance-touring tires.

Which is better T or H speed rating?

H rated tires have stronger construction than T rated tires. The concern may not be speed although a Subaru can exceed 118 MPH hence those tires however it may be load rating of the tires. Lessor speed rated tires must be able to handle the listed load of your vehicle properly. Confirm this, a good tire shop will.

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What is the best tire speed rating?

Speed Rating

L 75 mph Off-Road & Light Truck Tires
T 118 mph Family Sedans & Vans
U 124 mph
H 130 mph Sport Sedans & Coupes
V 149 mph Sport Sedans, Coupes & Sports Cars

Does speed rating matter on tires?

The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds — and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.

What does 120 load index mean on tires?

For example, a light truck tire with a load index of 120 /116 means a load capacity for a single tire of 3,086 pounds and a load capacity of 2,756 pounds for two tires. The reason the capacity for two tires is lower than a single tire is to make sure that the vehicle can continue to carry the load should one tire fail.

Can I mix V and W rated Tyres?

However, for cars the fitting of a higher speed rating is fine. If you do choose a tyre with a higher speed rating though, we recommend that you match the tyres across the axels, avoiding having different speed ratings fitted on either side of the car. The only exception to this is a winter tyre.

Can I use V rated tires instead of H?

The rating is the speed the tire has been tested to for continuous safe driving. The English equivalent speed for H – rated tires is 130 mph and V – rated tires are good for up to 149 mph.

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What does 102 mean on a tire?

Tire Load Index Chart

Load- Carrying Capacity Index Ratings
99 100
1 102 101
2 105 102
3 107 103

How fast is speed rating T?

Tire Speed Ratings Safety

Speed Rating Maximum Speed
S Up to 112 mph
T Up to 118 mph
U Up to 124 mph
H Up to 130 mph

How important is speed rating on tires?

The speed rating tells you the speed the tire can safely maintain over time. A higher speed rating usually means you will have better control and handling at higher speeds – and that the tire can take the extra heat. As a general rule, tires with higher speed ratings also handle better at slower speeds.

Can you use a tire with a higher load index?

You can only mount a tire of equivalent load or higher load than indicated for your vehicle. The higher the tire’s load index number, the greater its load carrying capacity. Typically, the load indexes of the tires used on passenger cars and light trucks range from 70 to 130.

Are higher speed rated tires better?

Generally, the higher in the alphabet a tire is rated, the better it will manage heat and faster speeds. There’s an exception for the H rating; read on for why. If you have tires with different speed ratings, the limit of the lowest rated tire is the fastest you can drive and stay within your tires ‘ capability.

What does the Z mean on tires?

A “ Z ” rating can mean different things. While it nearly always means a high performance tire for high-performing sports cars, “ Z ” may actually appear in the middle of a tire’s size information. When it does, it represents either a maximum speed of more than 149 mph (240 kph) or 186 mph (300 kph).

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What happens if you go over tire speed rating?

The speed rating is there to let you know that you shouldn’t exceed that speed with that tire. If you do for a sustained period of time the air in the tire will heat up and expand causing the tire to explode. It is pretty simple.

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