Cars and TransportationPowerful: Audi RS6 Avant Performance04:14This browser does not support the video element.Cars and Transportation07/11/2017July 11, 2017RS - at Audi these two letters stand for high-performance cars. DW tests out the Audi RS 6 Avant Performance. It's got a 4-liter, V8 engine with two turbochargers and an output of 445 kW.Copy linkAdvertisement