I had a fully loaded ZT CDTi it had HK, electric rear blind, electric heated black alcantara with passenger height adjust, sunroof, Hi Line, intelligence pack, pillar air bags, 11 spokes etc etc in metallic black and it was on a 56 plate.
Car was built in Oct 2004.
Yet I had a ZT 180 Sport that was made 2 weeks before Longbridge closed down that was on a 2005 plate.