Audi S7 2012 model leaked pictures and details

the 2012 model of the Audi S7 is a one of the most waited car. very recently, some spied pictures has released to the internet. according to the Audi press release, Audi S7 will be unveiled at the Frankfurt Motor Show. before that, these are some leaked pictures of this car.
the 2012 Audi S7 has a 4 liter V8 engine which produces 320KW power. however, the information about it's performance is not yet known.