Im looking to upgrade the Wifes car And an Avant Diesel is on the cards Im looking at very late cars say 05 0nwards But the specs are seemingly endless ?? Wish list is a fully loaded A4 Avant preferably a Quatro either a 1.9 or a 2.0 litre Diesel Budget up to 20k Sugestions please ?? And also what options to expect at this budget ?? TIA !!!