OK. Using the Vauxhall/Opel for a change :-

http://www.imcdb.org/vehicle_10398-Vauxhall-Astra-Mk2.html

http://www.imcdb.org/vehicle_22328-Opel-Astra-A.html

The Opel is suffixed by [a] where as the Vauxhall uses [Mk2]. Is this correct? Are they infact the same car? Should we be able to pull them up in one sort?