Just returned from our driving holiday to Austria which included on the way back a detour to take in the Audi Factory tour in Ingolstadt. An excellent day out and as with most things Audi extremely well done. We had a 2 hour tour of the A3 production line and saw A3's in as they say "all the colours and all the sizes". The majority of the cars when we visited seem to be Sportbacks and there were quite a few S3's. It was incredible to see how the cars are made and learn of the lengths they go to to ensure that the A3 is a top quality product.
If you get the chance go see.