I have a 2007 model Audi A3. The lifespan of the brake rotors is comparatively less. I don't know about the reason for it. I read some blogs like this How To Diagnose Brake Noises | Service Plus 416 : Toronto Automotive Garage to resolve this issue. It would be really helpful if somebody can give more information regarding this. Some people are saying the way you apply brakes can reduce the life span. What do you think about this?