it to consider buying one? I am looking foR a decent used caR under 5k, and the a4 has been suggested to me. However, in Reading aRound I've found that they have the potential to have a lot of pRoblems. Is it possible to get an a4 that won't have these pRoblems? How do I know if the caR I'm looking at will have pRoblems or not? Should I buy an a4?