2011 Formula One World Championship 2011 Formula One World Championship The 2011 FIA Formula One World Championship was the 65th season of FIA Formula One motor racing. The original calendar for the 2011 Formula One World Championship consisted of twenty rounds, including the inaugural running of the Indian Grand Prix before the cancellation of the Bahrain Grand Prix. Pirelli returned to the sport as tyre supplier for all teams, taking over from Bridgestone, marking their return to Formula One for the first time since the 1991 season. Red Bull Racing was the reigning Constructors' Champion. Red Bull Racing's Sebastian Vettel was the defending Drivers' Champion,
Sebastian Vettel the podium in Malaysia, Canada, Singapore and Japan. On 4 October 2014, Red Bull Racing announced that Vettel would be leaving the team at the end of the 2014 season, one year before his contract was due to expire. After the , he had been outqualified by a teammate over a season for the first time in his Formula One career. In addition to suffering reliability problems, throughout 2014 Vettel struggled to get to grips with the Red Bull RB10, and Pirelli's 2014 tyres. Vettel signed off the 2014 season, by becoming the first defending champion to fail to win