Simon Dixon, center, founder of UK-based digital car retailer Rockar, makes a point during a panel discussion on the future of auto sales at the Automotive News Congress last week in Birmingham, England. Dixon was joined on the panel by, from right, Peter Fuss, EY's senior advisory partner automotive; Horst Hanschur, Audi's director of sales strategy and retail business development; and Steve Young, managing partner at ICDP.