Found this over in audiworld
http://www.mtm-online.de/html_en/shownews.php4?Marke=AU&Modell=A6%20Allroad&FZID=ALLROADTDIQ&id=13
which lowers the allroad 20mm at lowest setting.
Also complete pricelist is
http://www.mtm-online.de/html_en/preisliste.php4?Modell=A6%20Allroad&FZID=ALLROADTDIQ
http://www.mtm-online.de/html_en/shownews.php4?Marke=AU&Modell=A6%20Allroad&FZID=ALLROADTDIQ&id=13
which lowers the allroad 20mm at lowest setting.
Also complete pricelist is
http://www.mtm-online.de/html_en/preisliste.php4?Modell=A6%20Allroad&FZID=ALLROADTDIQ