Audi Quattro S1 race in the ’90s

As we reported yesterday, Audi is celebrating 20 years since Audi Sport Quattro S1 won the Pikes Peak Hill Climb in the US state of Colorado. Today we will present you a video, not the 1987, but a 1990 one, when Carlos Sainz takes on Stig Blomqvist in the legendary Audi Quattro S1.