Car is driven by one person and has all factory maintenance done at the dealer and is never "hot rodded" lets be clear about that. At 9551 miles vehicle taken in for scheduled "B" service. Cost $680.00 rear tire depth right rear 6/32 left rear 7/32. On a recent trip stopped in Bowling Green, Ky for oil change. Dealer report rear tires needed replacement, mileage 13351. Tread depth right and left 1/32 to 2/32 nds depending where the tire depth is measured. In 3800 miles the tread depth was reduced 5/32nds or .156 of an inch. Normal highway diving no high speed and the tire pressure is always checked and corrected as required. Dealer states its a high performance tire and they wear out fast. NO WAY!

Update from Mar 7, 2010: Replaced with different brand and harder compound