With all the tech and luxury included in Audi's S6, you would be forgiven for overlooking the sports car levels of performance available from the twin-turbo V-8 and rear biased Quattro all-wheel ...

For most, the performance was more than adequate ... up to a 7-speed S tronic gearbox and Audi’s excellent quattro all-wheel drive system, the C7 S cars were again deliberately ‘overshadowed ...