The Audi Le Mans quattro is a concept car, developed by German automobile manufacturer Audi, for presentation at the 2003 Frankfurt Motor Show, to celebrate Audi's three successive wins at the arduous 24 Hours of Le Mans endurance race in 2000, 2001, and 2002. It was the third and final concept car designed by Audi in 2003, following the Pikes Peak quattro and the Nuvolari quattro.

The Audi Pikes Peak quattro was a sport utility vehicle concept car. It was created by German premium automobile manufacturer, Audi. The Pikes Peak quattro was first introduced at the 2003 North American International Auto Show. It was the first of three concept cars designed by Audi and shown in 2003, ahead of the Nuvolari quattro and the Le Mans quattro.