The sedan version of the fashionable Audi A7 Sportback? The little brother of Audi A8? You can call it anyway, but this is the new 2012 Audi A6 as the Ingolstadt-located automaker displayed at Detroit Auto show 2011. The interior of Audi A6 2012 is looking a lot like the one of the four-door coupe Audi A7 Sportback, being the main attraction point of the new German sedan, the model boasting