What does t mean on a tire?

A "T" means it's a temporary spare. Some tires get a "Z" or an "F" attached to the radial indicator, denoting a Z-rated tire (see service description below) or a run-flat tire.

What does T and H mean on tires?

H-Rated Tires: This is a perfect, average tire for most sedans and commuter vehicles. It might not seem to fit in our chart, but the tire speed rating “H” is rated for up to 130 mph. T-Rated Tires: This tire is often recommended for family sedans and vans. It's rated for up to 118 mph.

What is T speed rating?

Q — Up to 99 mph. R — Up to 106 mph. S — Up to 112 mph. T — Up to 118 mph. H — Up to 130 mph.

What does the letter V mean on tires?

SPEED RATING V

Once the highest speed rating a tire could have, “V” used to represent a maximum of 149 mph (240 kph) or more. Nowadays, it means 149 mph but no higher.

What does the R on tires mean?

“R” stands for the construction method of the tire indicating the tire is a radial tire. The following two numbers (16) indicate the diameter of the wheel rim in inches. The next two or three numbers (94) indicate the load index of the tire. In the example, 94 means the tire can carry 670kg.

How to Read a Tire Size

Are T rated tires safe?

The “T” or “H” on tires pertain to their speed ratings. A T-rated tire can withstand top speeds of up to 118 mph (190 km/h), while an H-rated tire can support up to 130 mph (210 km/h). It is important to note these markings and stay within those speed limits.

What is Load Range E?

Therefore load range simply tells how tough the tire is and the allowable PSI. For example, an “E” load range indicates that a tire is equivalent to a 10-ply construction tire. In realitly, this tire is not built with 10 plies, but rather one or two plies of equivalent strength.

Can you mix T and H rated tires?

Just remember, never mix and match tires with different speed ratings on your vehicle. This will cause major problems with the handling of your vehicle. If tires of different speed ratings are mounted on a vehicle, the lower speed-rated tires should be placed on the front axle, regardless of which axle is driven.

Should I buy H or V rated tires?

If you feel the need to drive at or above 130 mph then you should get a “V” speed rated set of tires. If you don't plan on driving that fast, then an “H” speed rated set is the better option.

What is an F load tire?

F-load range tires allow for higher carrying capacity at a higher inflation pressure compared to tires of the same size with an E-load range.

Do I really need Load Range E tires?

A Load Range E tire is recommended, and we would be very careful about airing down too much if traveling at more than crawling speeds. There is still value to running a Load Range E tire on a lightweight off-road vehicle.

What's better load range D or E?

Expert Reply: Load range D has a capacity of 1,220 lbs at 65 psi, whereas load range E has a capacity of 1,520 lbs at 80 psi. Basically the only difference between the two is the weight capacity.

What are Z rated tires?

While a Z-speed rating still often appears in the tire size of some tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph; the W in the service description indicates the tire's specific 168 mph maximum speed.

Can I put a higher speed rated tire on my car?

SPEED RATINGS REFER TO MORE THAN JUST SPEED

You can always increase the speed rating of the tires on your vehicle for improved performance, but can never decrease it without reducing the vehicle top speed to that of the lower speed rating selected.

What does 100T mean on a tire?

Understanding Tire Load Index

Just after the tire size are some more numbers, commonly 100T. The 100 is the tire's load index, and in the case of 100, it means by itself a properly inflated tire can hold up 800 kilograms (1,764 lb.).

How long are tires good for?

On average, people drive between 12,000 to 15,000 miles a year, which means the average good quality all-season tire will last somewhere between three and five years, depending on maintenance, driving style and conditions, etc.

What is a good load index for tires?

Most passenger-car tire load indexes range from 75 to 100, but some are higher. The chart shows how load indexes translate to weight.

What does P mean on tires?

P stands for passenger vehicle tire. P-class tires include cars, SUVs, crossovers, minivans and smaller pickup trucks. LT means light truck tire, designed for vehicles that are capable of carrying heavy loads, towing trailers, or for those looking for an extra heavy duty option.

What does St mean on a tire?

Tires on boat trailers have to be ST tires which stands for Special Tire. ST tires are designed specifically for boat, car and utility trailers. They are built to carry heavy loads on non-powered axles and are rated for a maximum speed of 65mph.

What does XL mean on a tire?

XL (or Reinforced) tyres are 'extra load' tyres – they indicate that a tyre is reinforced to be able to withstand a higher load than other tyres of the same size.

Are E rated tires heavier?

The trade off is the E rated tires will be heavier and may be somewhat noticeable when it comes to torque and MPG. but as a trade off if you are going to be wheeling in sharp rocky terrain they are tougher.