Niki Lauda tips Sebastian Vettel to continue his title-winning success . `` He will eventually move somewhere else , '' said Lauda , who won his titles with both Ferrari ( 1975 and 1977 ) and McLaren ( 1984 ) . German driver says the German will leave Red Bull in future . Sebastian Vettel 's contract with the constructor is set to expire at 2013 . Williams confirm Pastor Williams and Niki Lauda as drivers for 2013 .
Niki Lauda tips Sebastian Vettel to continue his title-winning success . German driver says the German will leave Red Bull in future . Sebastian Vettel 's contract with the constructor is set to expire at 2013 . Williams confirm Pastor Williams and Niki Lauda as drivers for 2013 .