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Really depends on how you drive... I'm figuring on about 20k for mine. I read some posts on a porche site where they were burning through them in one summer (<8000 miles).
I expect 20k miles as well from my S-03s. They have 220 Wear Rating, and I usually get about 100x the tire rating miles out of my tires with rotations every 5k to 7.5k miles.