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Size of the rim and drivetrain affect tire life. Not to mention how you drive / proper inflation. 18's will last longer then 19 on up and RWD is easier on rubber vs AWD.
18 in wheel,
last set of Michelin Pilot A/S3 lasted 20k miles with 50% local driving,
the current set of AS3 seems will last 30k miles with 90% highway driving.