Question about Thule WingBar Edge 9592 M

Yes, this carrier is well suited for the Audi A4 Avant B8. I have exactly the same car :-). But don't forget to order Thule Kit 4007 Fixpoint XT (unless you already have it), otherwise you won't be able to install it. On https://www.thule.com/de-de... you can find all compatible carriers for each car model.