With the V8’s clever cylinder on demand technology replenishing the RS6 Avant’s 75-litre fuel tank isn’t the repetitive event you might imagine. On a run it will return an mpg figure in the ...

If there was a default choice when faced with the need for a practical car in a ‘dream garage’, it might just be the Audi RS6 Avant. Now in its fourth iteration, Audi has taken everything ...