F1 Sebastian Vettel says the team will not be as quick as each of the last two seasons . The German has won the world championship in last year . Sebastian Vettel has set his sights on a record-equaling first drivers ' title in a row . `` And to be one of those six feels even better . The 24-year-old says the sport should not expand beyond a 20-race calendar .
F1 Sebastian Vettel says the team will not be as quick as each of the last two seasons . The German has won the world championship in last year . Sebastian Vettel has set his sights on a record-equaling first drivers ' title in a row . The 24-year-old says the sport should not expand beyond a 20-race calendar .