My puzzle is the original 1971 version, but it's the same car which they repainted for 1972...
Sorry, I didn't realise that, and the reason it didn't show up when I searched was that it was called the 'Sporthauler' in the earlier thread, whilst its actual name should be 'Sportshauler'.
So it's one point for you and they are merged (I'll edit the earlier title too).
Here's the unmodified picture of my puzzle car: