Audi Quattro Rally Car Enthusiasts' Manual: 1980 to 1987 (includes Group 4 & Group B rally cars) * An insight into the design, engineering and competition history of Audi's iconic rally car:
Car-Revs-Daily.com -- AUDI Pikes Peak Sport Quattro S1 11
Audi Quattro S1 Evo 2 Tribute a true Rallylegend - YouTube
Audi Quattro Rally Car Enthusiasts' Manual: 1980 to 1987 (includes Group 4 & Group B rally cars) * An insight into the design, engineering and competition history of Audi's iconic rally car: