If you can afford the asking price, then the A4 Avant is one of the best family estates you can buy. It's roomy, comfortable, good to drive, safe, practical, and of course comes with the kudos associated with owning an Audi. You also get a wide choice of engines, including a range of exceptional - and highly economical - diesels. As ever there's a long options list and you should choose carefully - they can become a significant part of your final bill and some will not add any value to your car when you come to sell.