F1 legend Jackie Stewart tells you who he thinks is the sport 's greatest driver . Win to loss ratio is determining factor of championship according to Stewart . McLaren ? Ferrari ? Have your say on who you think the best F1 driver .
F1 legend Jackie Stewart tells CNN who he thinks is the sport 's greatest driver . Win to race ratio is determining factor of greatness according to Stewart . Schumacher ? Senna ? Have your say on who you think the best F1 driver .