sayang yung makapal pa na tires kung papalitan na agad after 4 years * 35,000 km only. For me, I'll buy 1 pair muna for the front, then after 2 years, buy another pair for the front, yung 2 year old na tires, sa rear na sya ilagay. Then after 3 years, buy 1 pair ulit for the front, yung 3 year old na tire ilagay sa rear, and so on.