Honestly, most likely, it isn't your fault. Stop and go driving does wear tires faster than a continuious highway speed. Also, keep in mind, if the tires are run when they are low on pressure, the outsides of them will wear faster. If over inflated, the center will wear faster.
I would recommend having the alignment checked, and maybe getting a good all season tire. The high performance tires have a much softer rubber compound and will wear faster.
Let me know if you have other questions.
Joe
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Monday, November 15th, 2010 AT 7:41 PM