Download 2006 Audi A4 1.8 T Cabriolet Specs Read reviews, browse our car inventory, and more. 2006 audi a4 1.8t cabriolet1.8t cabriolet. AUDI A4 Cabriolet specs & photos - 2005, 2006, 2007, 2008 ... from s1.cdn.autoevolution.com — 2006 audi a4 2.0t 200hp turbo. The audi a4 is a line of compact executive cars produced since 1994 by the german car manufacturer audi, a subsidiary of the volkswagen group.