And there are a few rational examples where the Volkswagen just scores better. It's more spacious, it's easier to use, but if those are your priorities, you should get a Passat(or a Superb). That's even more spacious and cheaper as well.
No, it has to have an X-factor as well, you should actually want the car. When it comes to wanting one, I think the 508 has the advantage. It's remarkable to look at and to sit in.