I think a big part of it is pricing to be honest.
Using Audi as a sample I configured the cars as Prestige models with no extras.
A4 All-Road: $53,000
Q5: $50,800
A4: $50,000
You are paying $2,200 more for a smaller car. You get almost 2" more rear leg room on the Q5 and 2 more cf. You...