One of the last Lancias had a five year gestation from concept car to production. In this case there were two concepts, a real one and a pre-production model. One of them was not helpful.
Lancia showed the 2003 Lancia Granturismo Stilnovo at the Barcelona motor show as a genuine kite-flying concept car, one of quite a few they showed around this time. Three years later these ideas were translated into the production ready 2006 Lancia Delta HPE concept revealed at the Venice International Film Festival which then took a remarkable 2 years to get to an official launch by which time the styling had staled somewhat.