1991 Audi V8 Quattro DTM race car up for auction

Audi’s conquests of the World Rally Championship (WRC) and 24 Hours of Le Mans rank among the automaker’s most prominent racing achievements, but this Audi race car, set to be auctioned off by RM Sotheby’s, hails from a different corner of the racing world. One of the featured lots at a Monaco auction scheduled for May 10, this 1991 Audi V8…