Audi should've been a more tech-centric derivation of Porsche.
Tolerate some weight and give up that 10/10ths performance for experimental tech, less design language restrictions, more comfort, slightly better value.
The R8 was them tripping over this from another direction.
There should've been Porsche derived vehicles below the R8.
What if the RS7 was the Panamera, and then we didn't have to look at the Panamera.
Lets you push models upmarket, and push appeal of entry level models as being down-market versions of what are dream cars for many.