That's actually a mk2 you have there - and a very nice one at that! The car would have been known as a 360 (the only 36x model I know of badged like that was the 363CS, which was little more than a (very cool) concept car)...but following the old numbering tradition, it would indeed be a 363. We sometimes add the final number to avoid having to specify how many doors a car has.

cheers

James

Nice one! Looks like a nice car