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.
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.
How many miles is 400 treadwear?
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 treadwear rating?
It's based on how long the tread on a tire is expected to last. For the tires in our ratings, it is usually between 50,000 and 90,000 miles. But those warranties often don't offer the consumer much payback if the tires wear out prematurely.2021-03-17