Stange that you say this as on our visits to Brittany at always impresses me how loyal the French seem to be towards their marques. Renault, Citroen and Peugeot seem to dominate by a cosiderable margin. Shame we hardly see 2CVs or Renault 4s though
The French have had this market sussed for years. You won't go far wrong with a Renault Grand Scenic or Citroën C4 Picasso. They seem to get the interior layout just right for big families. The Kia Sorento is another that won't break the bank new or used. Further up in price is the Ford Galaxy...