I currently drive an A3 (8V) 1.4tfsi COD and quite fancy trading it in towards the end of the year for an S5. Whilst i would prefer the newer 3.0l its looking more likely that it'll be the 4.2 V8 due to the wife needing her own car (currenlty learning so S5 not very sensible)
Looking like it would probably be about a 58/09 plate with around 50k miles, coupe, automatic.
Is there anything to be wary of? Known faults/issues?
Any advice greatly appreciated.