my 07 had over 40k on the clock and the pads were still fine. my 2010 has 20k on the odometer, and the pads are fine. so i don't know when my brakes will need changed, haven't had to do it yet
On my 08 I had 61K and hadn't replaced the front pads yet. Seems like I got somewhere from 15 to 20 on the rear pads. I believe I replaced the rear pads two or three times when I traded it in.