Full review: http://www.autoexpress.co.uk/videos/featuresvideos/262960/audi_a6_video_review.html#ixzz1DN9VsrYv
Everyone has an arch rival -- and for the Audi A6, there's no greater nemesis than the BMW 5-Series. In the UK, it's never got the better of its opponent, though. It's never looked as good, never driven as well, never had the same want-it factor.