I purchased these tires instead of Michelin as the mich are so darn expensive. I was immediately impressed with the feel, grip and response from these v12's. I've never felt more planted in this car. For the most part the porsche is not know for a cushy ride, and I don't expect one with 18's. these babies have held up extremely well and the performance has remained constant with even wear. I would recommend these tires without question and will continue to purchase hankook.