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Originally Posted by Caravanshaka
Keep in mind though, treadwear ratings are only really comparable when you are looking at the same manufacturer. A treadwear rating of 200 from bridgesone may not equal one from hankook.
They are great tires, I just hope it was my alignment that made it so I got 7k out of my rears. Got the alignment fixed when I put these on, we'll see how they last.
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Good to know, I assumed it was standard across all brands, but apparently it's not.
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The problem with UTQG Treadwear Grades is that they are open to some interpretation on the part of the tire manufacturer because they are assigned after the tire has only experienced a little treadwear as it runs the 7,200 miles. This means that the tire manufacturers need to extrapolate their raw wear data when they are assigning Treadwear Grades, and that their grades can to some extent reflect how conservative or optimistic their marketing department is. Typically, comparing the Treadwear Grades of tire lines within a single brand is somewhat helpful, while attempting to compare the grades between different brands is not as helpful
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