2005 Lexmark Indy 300
The 2005 Lexmark Indy 300 was the twelfth and penultimate round of the 2005 Bridgestone Presents the Champ Car World Series Powered by Ford season, held on 22 October 2005 on the Surfers Paradise Street Circuit, Queensland, Australia. Sébastien Bourdais won the race and also clinched his second consecutive Champ Car championship. Oriol Servià earned his first and to date only pole position in his career. The race also marked the final career podium for 1996 CART champion Jimmy Vasser, who finished third running for his co-owned team PKV Racing.Qualifying results
Race
- Bold indicates the Season Champion.
;Drivers' Championship standings
| Pos | Driver | Points |
| 1 | Sébastien Bourdais | 344 |
| 2 | Oriol Servià | 265 |
1 | 3 | Justin Wilson | 231 |
1 | 4 | Paul Tracy | 221 |
2 | 5 | A. J. Allmendinger | 199 |
- Note: Only the top five positions are included.