 The clutch started slipping at 17.5k miles. I'm in my 70's, and don't abuse the car. The dealers said it is "normal wear and tear" and don't want to warranty it. The dealer gave me an estimate of $4900 plus tax to replace. I sold my last two cars with 105k and 95k miles respectively both with the original clutches still working fine. Guess I should have stayed with Honda products. Audi support was of little help.