Seems someone has found prototype images of a 5 door Exeo Coupe, based on the Audi A5 Sportback.
http://es.autoblog.com/2010/07/08/extranas-imagenes-de-un-seat-cupe-de-cinco-puertas-a-lo-a5-sport/
Translated version < CLICK
http://es.autoblog.com/2010/07/08/extranas-imagenes-de-un-seat-cupe-de-cinco-puertas-a-lo-a5-sport/
Translated version < CLICK