Cosworth was an engine supplier that provided engines from 2000 to 2012.
Results and Statistics[]
| Year | Teams Supplied | Races | Starts | Poles | Wins | Podiums | Points | Engine Trophy Position | E.T. Points Dropped |
| 2000 | 2 | 16 | 64 | 4 | 5 | 14 | 162 | 2nd | 0 |
| 2001 | 2 | 17 | 68 | 0 | 1 | 10 | 158 | 3rd | 12 |
| 2002 | 1 (Gui Racing) | 16 | 32 | 0 | 1 | 6 | 104 | 3rd | 0 |
| 2003 | 1 (Gui Racing) | 16 | 32 | 0 | 0 | 4 | 56 | 5th | 0 |
| 2004 | 1 (Gui Racing) | 17 | 34 | 0 | 0 | 1 | 32 | 5th | 0 |
| 2005 | 1 (Gui Racing) | 17 | 34 | 2 | 3 | 7 | 110 | 4th | 0 |
| 2006 | 2 | 17 | 68 | 1 | 0 | 5 | 54 | 5th | 0 |
| 2012 | 1 (Ajay Motorsports) | 17 | 34 | 0 | 0 | 0 | 12 | 7th | 0 |