http://boardwalkaudiblog.com/the-audi-a8-true-luxury-redefined-at-boardwalk-audi-2/ Boardwalk Audi Plano A8 W12. Introducing the new Audi A8 -- Audi's flagship luxury sedan. The 2011 A8 is designed to satisfy the most discerning driver who demands everything from a performance luxury sedan.