Carscoop: Video: Audi RS6 Avant Prototype Powersliding

While we’re impatiently waiting until September 11 to find out whether Audi’s second world premier at the Frankfurt Show will be the RS6 (as we’ve been previously tipped), our Dutch pals at Autoblog.nl discovered a spy video of the RS6 Avant being tested at the Nurburgring race track. According to our source, the RS6 will be equipped with a bi-turbocharged 580 Hp 5.0-liter V10 bi- unit.