I have just read that there is another Audi A1 rally car. Enrico Windisch is going to drive it in Blaufränkischland Rallye (Austria) tomorrow. It looks a little different than Ekstrom's car and it is called Audi A1 R4, but I think it is also Rally2 Kit. Look at no. 20 on the entry list:
http://www.blaufraenkischlandrallye....nennliste.html

https://cdn-1.motorsport.com/images/...-hubert-au.jpg