Red Bull completed fewer preseason testing laps than any other team apart from Lotus . Sebastian Vettel has won the world championship in each of the past four seasons . The German is one of only three drivers to win a title with two different teams, and he did it while driving for Ferrari ( which was then known as Scuderia Toro Rosso). The 2014 season will start with the Australian Grand Prix on March 16 .
Red Bull completed fewer preseason testing laps than any other team apart from Lotus . Sebastian Vettel has won the world championship in each of the past four seasons . Mercedes ' Lewis Hamilton set the quickest time on the final day of testingin Bahrain . The 2014 season will start with the Australian Grand Prix on March 16 .