Citroen ID-19 Break by CIJ/Europarc. It is a beautiful model from a time when toy cars were not very sophisticated; this one was. Look at the marker lights picked out on the front fenders and the "B" pillar. The wheel shape is right for a Citroen too.
Politoys did the ID-19 too. The scale is indicated at 1/41 and it is model #70 in the Politoys plastic range. It may have also been released in metal. Obviously, the rear gate flips up on this one and the front doors open, but it looks cartoonish compared to the French attempts to model Citroens.