The2005 Trans-Am Series was the fortieth season of theSports Car Club of America'sTrans-Am Series. This would be the final complete season until the series returned in 2009. (Two events were held in Topeka in 2006,[1] but are considered to be exhibition and thus no championship was awarded.)
| Round | Circuit | Winning driver | Winning vehicle |
|---|---|---|---|
| 1 | Long Beach |  Randy Ruhlman | Chevrolet Corvette |
| 2 | Portland |  Klaus Graf | Jaguar XKR |
| 3 | Cleveland | Randy Ruhlman | Chevrolet Corvette |
| 4 | Toronto | Paul Gentilozzi | Jaguar XKR |
| 5 | Edmonton | Greg Pickett | Jaguar XKR |
| 6 | San Jose | Boris Said | Ford Mustang |
| 7 | Denver | Klaus Graf | Jaguar XKR |
| 8 | Road America | Klaus Graf | Jaguar XKR |
| 9 | Montreal | Klaus Graf | Jaguar XKR |
| Place | Driver | Points |
|---|---|---|
| 1 | Klaus Graf | 246 |
| 2 | Randy Ruhlman | 226 |
| 3 | Greg Pickett | 219 |
| 4 | Tomy Drissi | 195 |
| 5 |  Joey Scarallo | 188 |
| 6 | Paul Gentilozzi | 176 |
| 7 |  Hima Maher | 143 |
| 8 | John Baucom | 129 |
| 9 | Moneca Kolvyn | 127 |
| 10 | Paul Fix II | 105 |
| 11 | Tom Cowen | 92 |
| 12 | Max Lagod | 73 |
| 13 | Mike Davis | 70 |
| 14 | Michael Lewis | 58 |
| 15 | Philip Simms | 55 |
| 16 | Boris Said | 54 |
| 17 | Tor Krueger | 29 |
| 18 | Charlie Webster | 23 |
| 19 | Kevin Nielsen | 18 |
| 20 | Jeff Emery | 17 |
| 21 | Tom Sherrill | 17 |
| 22 | Cliff Ebben | 17 |
| 24 | Amy Ruman | 16 |
| 25 | James Bradley | 14 |
| 26 | Blaise Csida | 13 |
| 27 | Csaba Bujdoso | 12 |
| 28 | Gordon Vipond | 11 |
| 29 | John Schaller | 9 |