Answer
They are both cheap, affordable cars. thus making them popular, especially with younger buyers with a small budget.meanwhile, cars from south korea (hyundai, kia, daewoo) and malaysia (proton, perodua) are also getting popular because of their agressive pricing.but citroen and fiat fair much better in crash testing compared to the asian ones. although the french and italian cars are less reliable, they are better to be crashed in.