no nascar champs have been f1 drivers champion, however indy or champ car has shared 4, emmerson fittipaldi, Jacques Villeneuve,Nigel Mansell and Mario Andretti.
no nascar champs have been f1 drivers champion, however indy or champ car has shared 4, emmerson fittipaldi, Jacques Villeneuve,Nigel Mansell and Mario Andretti.