2009 Formula One World Championship joined Brawn as a test driver. Force India joined Brawn GP in using the Mercedes engines by signing a five-year deal until 2013, having ended their previous supply contract from Ferrari. The retirement of Red Bull Racing driver David Coulthard led to the appointment of Sebastian Vettel as his replacement, who left the Scuderia Toro Rosso team after a successful previous season including winning the Italian Grand Prix. Toro Rosso, a team designed to develop new Formula One drivers, saw co-owner Gerhard Berger sell his half-stake back to Red Bull, claiming that the new regulations would "leave no room for
2010 Formula One World Championship Arab Emirates after 19 motor races held in 18 countries on five continents. The following teams and drivers competed in the 2010 FIA Formula One World Championship. With the withdrawal of BMW and Toyota, engine diversity in Formula One dropped to a 30-year low, with just four engine producers powering the entire grid (Ferrari, Mercedes, Renault and Cosworth), the lowest since . Four new teams joined the grid: Mercedes, Lotus Racing, Virgin Racing and HRT. Teams competed with tyres supplied by Bridgestone. The FIA announced its intention to open up the grid, aiming for a total of 13 teams, and