There are more Audi in the movie Iron Man
http://www.imcdb.org/movie_371746-Iron-Man.html?PHPSESSID=1d6a7eee3309b920556100b063031301

There is a
2007 Audi S5 (Typ B8)
2007 Audi A6 C6 (Typ 4F)
2007 Audi Q7 (Typ 4L)

Another movie sponsored by Audi...