Presented by Jaguar at the 2003 Frankfurt Motor Show, the R-D6 concept car was powered by a 2.7 liters biturbo diesel engine and characterized by a dynamic design with a futuristic exclusive interior based on the concept of sporting luxury.

Unveiled at Frankfurt in 2003, the Roomster Concept was a vision for a future family car. Among the unusual features, the long wheelbase layout and the asymmetrical construction.

The original Audi release that describes the development process of the Le Mans Quattro concept, unveiled at Frankfurt Motor Show in 2003.