It’s easy to forget that the Renault 5 wasn’t always called “Le Car”. It was introduced in the US in 1976 as just the Renault 5, and then in 1977, re-named as Le Car. Since none of these sport the distinctive Le Car graphics on their sides, we can be quite sure these are 1976 models, being hauled by a Convoy Freightliner and one of their shop-built lightweight trailers.
Here’s proof (in case it’s needed):