Agree, date car sold did determine car year. I have heritage papers that show my TR6 as follows: Date Built 28 October - 1970 Date despatched - 5 November 1970 Destination (dealer) - British Leyland Motor Inc., Detroit, USA I have owner papers showing car was purchased new in Cleveland, Ohio, USA on 09/09/71 and the car was registered as a 1971. Bob