Audi spent the first test "supercharged" versions A6 models in the back of "city" that has not gone unnoticed by local paparazzi. A prototype of one of the world's fastest Audi RS6 Avant wagon next-generation dual-issue pipes exhaust systems on both sides of the "stern", huge wheels with carbon-ceramic brakes, upgraded front bumper with massive air intakes and splitter. It is known that the car will sport seats, buckets, sports "bagel" and laths of aluminum and carbon fiber. Audi RS6, which will continue production in a body "sedan" and "universal", will equip the new 4.0-liter power unit, developed in conjunction with Bentley. Gasoline V-shaped "figure eight" with the two turbines will be able to develop about 550 bhp With this engine accelerates from 0 to 100 km / h in Audi RS6 generation "next" will take less than 5 seconds, maximum speed of the machine forcibly limit of 250 km / h. Audi RS6 will debut no earlier than 2012, and next month at an exhibition in Frankfurt, the German automaker, according to unconfirmed rumors, the model demonstrates S6, S7 and S8.