I recall from 'Junior Choice' a song about an Irishman's car - was the name O'Rafferty?

As far as I can recall, the refrain included the lines:

'Oh, what a wonderful motor-car, t'was the greatest ever seen
It used to be black as my father's hat, now it's forty shades of green
On TV and on radio and in every public bar
The burning question of the day was O'Rafferty's motor-car'.

I think it may have been sung by the same man who rendered 'Paddy McGinty's Goat' - was it Val Doonican?