[Fran05]

Out of those 3, I'd choose neither. All of them are expensive to work on and will require a lot of maintenance anywhere after 80-90k miles. My dad has a s60r and he has replaced A LOT of shit on it. Active suspension, etc etc. If you get a CEL, you are fucked, it will just go into 5mph limp mode in the middle of the highway. Also limited aftermarket availability. I used to have a e36 M3 and I have replaced quite a bit too. Although it was mostly performance stuff, but just to do the front ball joints, I had to replace both control arms 250$ a piece. Audi s4 of 2000-2001 are a total nightmare to work on. Lets say the clutch or turbo goes, you are looking at like 15+ hours labor.

I'd get a WRX if I were you. Still presentable, lots of potential, easy to work on, best awd system (STi actually has THE best, but wrx is pretty good still) and parts can be easily bought on the aftermarket if something happens.