Damn, so close and yet so far. I would have got that, but got called away for an urgent 'phone call so have only just returned to the site ![Sad :(](https://www.autopuzzles.com/forum/Smileys/default/sad.gif)
Sorry, you were pretty close.
This one disappeared from the web. I tried to find it using the name, the company, the builder all gone. The newspaper's sunday magazine were this little car appeared is missing too. That's why I gave the clues to solved it