i stay on top of maintenance pretty regular and i noticed that the brake pads were getting pretty worn. i replaced them today with ceramics and there were still approx 20% life left w/92400 miles on them. they were the factory brake pads, i don't know what material they are made out of, ie- metallic, semi metallic or ceramic. but 92400 miles?? wow! what kinda mileage are you guys getting out of your stock pads?