Quick Answer: What Does The Treadwear Number Mean?

What does treadwear 500 mean on a tire?

If the tire being tested gets a 500-tread wear rating, that means it’s expected to take five times as long to wear out as the control tire. The tread wear grade designation is defined when the tire is run a 640 kilometer course for 11,520 km, with tread depths being measured every 1,280 to give a projected tread life.

How long does a 400 treadwear last?

The bigger the number is, the longer the used tires last, and the harder their rubber is. For example, treadwear 400 will mean every 1/32” wears every 8,000-10,000 miles. However, hard rubber provides a rather rough ride, while softer rubber performs better and soothes the move.

What does treadwear 300 mean on a tire?

Treadwear grade: A government-required number that indicates a tire’s expected wear. A grade of 300 denotes a tire that will wear three times as well as a tire graded 100. Traction and temperature scores: Those scores denote a tire’s wet-stopping ability and temperature resistance. For traction, AA is best, C is worst.

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What does treadwear 720 mean on a tire?

Here’s what’s important: The higher the tread wear grade, the longer a tire will last—according to the company that made the tire. On the other end, today’s more durable tires carry UTQG tread wear grades of 640, 720 or even 820—meaning they will last up to six times as long as those expensive high-performance lines.

How many miles is a 500 treadwear rating?

Over 500 = approximately 80,000 miles. 5. Traction – Traction, from high to low, is AA, A, B, C. This rating indicates the tire’s ability to stop on wet roads, measured under controlled conditions.

What is the highest treadwear number?

Treadwear is determined by comparing the subject tire against a control tire that is assigned a grade of 100. If the subject tire gets a grade of 200, it can be expected to last twice as long as the control tire; a tire with a grade of 80 usually is less durable. Currently, the highest reported treadwear rating is 700.

Is 400 a good treadwear rating?

The 400 is tread wear which represents the tire’s comparative wear when measured against the governments mandated tire, which is rated at 100. So the tire rated at 400 would wear four times longer than the government’s mandated tire.

How many miles is a 600 treadwear rating?

That said, the most accurate indicator for how many miles a tire will last may be its mileage warranty. Unlike a treadwear grade, a warranty is the manufacturer putting their money where their mouth is. A tire rated 600 AA with a 70,000 mile warranty is quite likely to live up to it.

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How long will a 200 treadwear tire last?

A tire rated at 200 has a projected tread life of 60,000 miles. A tire rated at 50 has a projected tread life of 15,000 miles.

How many miles does a 300 treadwear tire last?

The test track they use is a 400-mile loop for a total of 7,200 miles. If a tire is rated 100, it is expected to last as long as the test tire. A tire rated 200 will last twice as long, one rated 300 will last 3 times as long, and so on.

How many miles is a 700 treadwear rating?

A general rule of thumb sometimes used is that an average driver with an average vehicle can typically estimate the tread life of a tire by multiplying the UTQG treadwear rating by 100. For example, a tire with a treadwear rating of 700 may last approximately 70,000 miles.

How many miles are tires good for?

As a general rule, the original tires on a new vehicle or quality replacement tires should last up to 50,000 miles. However, many factors will have a significant impact on any tire’s life and may substantially shorten its life expectancy.

Is 480 treadwear good?

The bottom line on the treadwear ratings is that they are relative to the other tires a particular manufacturer makes. So a 480 in Goodyear’s line is different than a 480 in Pirelli’s line. Or Kuhmo’s line. But generally when you hit the 400’s and above, you’re into pretty durable tires.

What does 600 AA mean on tires?

A tire with a “600” treadwear rating is forecasted to last twice as long as a tire with a “300” rating, and should accumulate three times the mileage of a “200” rated tire.

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How do you read a tire code?

Remember that the last four digits of the code are the date the tire was manufactured. You can check the first two digits of the DOT code to know the week of the manufacturing. The last two digits will reveal the manufacturing year. For instance, when it was written in 0203, the manufacturing year was 2003.

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