2015 Season
| 25-Jan | Daytona |
| 21-Mar | Sebring |
| 18-Apr | Long Beach |
| 3-May | Laguna Seca |
| 28-Jun | Watkins Glen |
| 12-Jul | Mosport |
| 9-Aug | Road America |
| 23-Aug | Virginia |
| 19-Sep | COTA |
| 3-Oct | Road Atlanta |
Standings
| Patrick Pilet | 315 |
| Bill Auberlen | 305 |
| Dirk Werner | 305 |
| Antonio Garcia | 295 |
| Jan Magnussen | 295 |
| Giancarlo Fisichella | 293 |
| Pierre Kaffer | 293 |
| John Edwards | 291 |
| Lucas Luhr | 291 |
| Jorg Bergmeister | 276 |
| Wolf Henzler | 268 |
| Bryan Sellers | 268 |
| Oliver Gavin | 261 |
| Tommy Milner | 261 |
| Nick Tandy | 255 |
Race Winners
| Patrick Pilet | 4 |
| Nicky Tandy | 4 |
| Bill Auberlen | 2 |
| Ryan Briscoe | 2 |
| Antonio Garcia | 2 |
| Jan Magnussen | 2 |
| Dirk Werner | 2 |
| John Edwards | 1 |
| Wolf Henzler | 1 |
| Richard Lietz | 1 |
| Lucas Luhr | 1 |
| Bryan Sellers | 1 |
Pole Positions
| Earl Bamber | 2 |
| Nick Tandy | 2 |
| Bill Auberlen | 1 |
| Oliver Gavin | 1 |
| Frederic Makowiecki | 1 |
| Patrick Pilet | 1 |
| Dirk Werner | 1 |
