My back brakes were probably done long before that. I replaced them when they started making noise, and even then, it took me a month or two to actually do it. The fronts were still quite good though. Probably 40-50%. I may have milked the rear a bit long. I usually get 150,000+ out of a set. Also, my drive is 2 stops at town speed, 2 at highway speed, minimal braking otherwise...not a lot of wear and tear.