Adrian Sutil signed by Sauber for 2014 season . Germany 's Sutil has spent his F1 career with Force India . `` After six good years driving for Force India , with a lot of highlights , it 's now time to embark on a new challenge , '' he added . Comment: Second Sauber driver still to be named .
Adrian Sutil signed by Sauber for 2014 season . Germany 's Sutil has spent his F1 career with Force India . Comment: Second Sauber driver still to be named .