INGOLSTADT, Germany (Dec. 13)—German car maker Audi may use Groupe Michelin's Pax extended mobility tire/wheel system for its entire vehicle range in five to six years, according to an engineer with Audi's advanced car design team. The company, part of the Volkswagen Group, is planning to make the non-standard tire and rim concept standard on all its models by 2006 or 2007, according to Jurgen Dietz, the technical project leader with Audi's Avantissimo station wagon concept. Audi plans to use the Pax system for its 2003 model A6 midsize sedan, and then broaden its use to the entire model range, Dietz told AutoWeek, a Crain Communications Inc. publication. Audi produces more than 650,000 cars a year. It sold 80,372 cars in North America in 2000.