Convertible drivers, it seems, are a very special breed of people. They are said to have a great desire for freedom, extravagance and vitality. And since women seem to dominate this group, Ute Glemser, the sister of German champion Dieter Glemser, tested and compared two 12,000-mark cars, the Fiat X 1/9 and the Peugeot 304 S.