But in 1994, Audi shattered that perception with the RS2 Avant, a turbocharged, all-wheel-drive monster that defied expectations. Built in collaboration with Porsche, the RS2 wasn’t just a fast ...

But while the brands were much more distinct in the 1990s and 2000s, Porsche did collaborate with Audi on one of the most interesting cars to wear the four rings on the grille: the RS2 Avant.