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 long does a 400 treadwear last?

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.

Is a 400 treadwear good?

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. However, please don’t link treadwear grades with your projected tire mileage.

How long should a 500 treadwear tire last?

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 many miles is a 420 treadwear rating?

Official tread wear grades were also not foolproof, as the 40,000 mile warranty tire had a so-so 420 grade.

What is a good treadwear?

Most tires used on passenger vehicles have a treadwear rating that falls between 200 and 500. Tires in this bracket offer a great mix of grip and safety, matched with enough longevity to last multiple years if not driven hard every day. Tires with medium treadwear are therefore excellent for everyday driving.

What does treadwear mean on a tire?

Treadwear. The treadwear marking demonstrates how long a tire can last. Treadwear has a range between 100-1000, where, for example, an 800 UTQG tire will last twice as long as a 400 UTQG tire.

Is a higher treadwear number better?

The treadwear grade is designed to give you a picture of the durability or life you can expect from your tire. What you need to know about the treadwear grade is this: The higher the treadwear number, the longer it’ll take the tread to wear down. Higher is better. The control tire has a treadwear grade of 100.

What is the highest treadwear rating?

Currently, the highest reported treadwear rating is 700. In fact, 98 percent of all tires tested ranked better than the control tire. Temperature, the tire’s heat resistance, is stated in letters. A tire graded “A” is the highest, “B” is average and “C” the lowest.

How long should automobile tires last?

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.

How many miles is 300 treadwear?

How many miles is a 300 treadwear rating? – Quora. 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 long will a 200 treadwear tire last?

The standard is set so that a rating of 100 is equal to 30,000 miles. The actual rating is a percentage of 30,000 miles. 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 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.

Is 540 a good treadwear rating?

TECH CENTER – TIRE TREADWEAR

A treadwear rating generally falls between 60 and 540. A tire with a treadwear rating of 400, for example, is likely to last twice as long as a tire rated at 200.

What does treadwear 420 mean on a tire?

This index is between 60 and 620, with 100 as the reference standard. For example, a tire with a treadware index of 50 will wear 2 times faster than a normal tire whereas a tire with a treadwear index of 420 will wear 4.2 times more slowly. REMEMBER: The higher the treadware index, the longer the life of the tire.

What does treadwear 720 mean on a tire?

Tread Wear

Wear ratings are expressed in three digits, starting at 100. That’s a rating given by NHTSA for a reference 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.

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.

What UTQG means?

The Uniform Tire Quality Grading is a comparative assessment applied to most car tires (excluding winter tires) to help consumers make informed decisions. The manufacturers grade the tires themselves for temperature, traction, and treadwear.

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