9 May 2013, 12:41 UTC · By: Ciprian Florea / As we already told you about two weeks ago, Audi developed a unique TT-based concept car for the 2013 Worthersee festival. Dubbed ultra quattro concept, the new German showcar is 300 kg (661 lbs) li...
21 Nov 2011, 14:17 UTC · By: Andrei Tutu / Does anybody have some salt? We might need a grain or two for this piece of news: it seems that Audi might go on this year with its habit of presenting TT concepts at the Tokyo Motor Show. Accor...