The Audi Allroad was a bit different of a model then the Audi A4 Allroad and made years before. It was based on the Audi A6 Avant but had Adjustable Air Suspension, tougher plastic that wouldnt get scratched as easily as paint, different styling...

.... and are cheaper because of more complicated service and additional issues, but very desirable because of tuning options and large amount of wrenchers that pick em up for cheap so a lot of info on repair.