Renault 4CVIt was the first French car to sell over a million units.
My automobile collection: www.deviantart.com/organicvisi…
Okay that's a good point! So I was chronological wrong, sorry.
But I think it's fair to say, that both Renault cars, the 4CV and the R4 were the main concurrent to the Citroën 2CV and aimed for the same clients. And the R4 followed the same philosophy as the 2CV: Simplicity and lightweight.