In this Fifth Gear segment, Tiff Needell takes the 2008 Audi RS6 Avant out for a road test drive. It is powered by a twin-turbocharged V10 that produces 580hp and 479 lb-ft torque. It managed to hit 0-60mph at 4.6-seconds. With the FSI technology and the optimised design of the turbocharger and air ducts, the ten-cylinder unit is extremely responsive and converts minimum movements of the throttle into dynamic acceleration. Continue reading for video.

[via Techeblog]