This paper is motivated by the large fine the EuropeanCommission imposed on Volkswagen in January 1998 forobstructing sales to foreigners. The first partdiscusses the competitive framework in which the carsector operates, especially the exclusive dealershipsystem. This is followed by a detailed examination ofthe degree of price-differentiation across nationalmarkets by 24 major manufacturers. The evidencereveals VW and Audi not to be special cases. Thisfinding implies that the Commission should reconsiderits own block exemption if it wants to establisha more competitive car market along the principles ofthe Common Market.