2004 Grand Prix of Road America
The 2004 Grand Prix of Road America was the eighth round of the 2004 Bridgestone Presented the Champ Car World Series Powered by Ford season, held on August 8, 2004 at Road America in Elkhart Lake, Wisconsin. Sébastien Bourdais won the pole and Alex Tagliani won the race, his first and only win in his Champ Car/IndyCar career.Qualifying results
| Pos | Nat | Name | Team | Qual 1 | Qual 2 | Best |
| 1 |  | Sébastien Bourdais | Newman/Haas Racing | 1:44.637 | 1:43.046 | 1:43.046 |
| 2 |  | Ryan Hunter-Reay | Herdez Competition | 1:43.909 | 1:43.995 | 1:43.909 |
| 3 | | Jimmy Vasser | PKV Racing | — | 1:43.374 | 1:43.374 |
| 4 |  | Bruno Junqueira | Newman/Haas Racing | 1:44.529 | 1:43.606 | 1:43.606 |
| 5 |  | Patrick Carpentier | Forsythe Racing | 1:44.076 | 1:43.753 | 1:43.753 |
| 6 | | Paul Tracy | Forsythe Racing | 1:46.382 | 1:43.933 | 1:43.933 |
| 7 | | A. J. Allmendinger | RuSPORT | 1:44.972 | 1:44.058 | 1:44.058 |
| 8 |  | Oriol Servià | Dale Coyne Racing | 1:45.077 | 1:44.105 | 1:44.105 |
| 9 |  | Justin Wilson | Mi-Jack Conquest Racing | 1:45.034 | 1:44.463 | 1:44.463 |
| 10 |  | Rodolfo Lavín | Forsythe Racing | 1:45.269 | 1:44.663 | 1:44.663 |
| 11 | | Michel Jourdain, Jr. | RuSPORT | 1:45.377 | 1:44.708 | 1:44.708 |
| 12 | | Mario Haberfeld | Walker Racing | 1:45.773 | 1:45.074 | 1:45.074 |
| 13 | | Alex Tagliani | Rocketsports Racing | — | 1:45.172 | 1:45.172 |
| 14 | | Roberto González | PKV Racing | 1:45.674 | 1:45.361 | 1:45.361 |
| 15 | | Mario Domínguez | Herdez Competition | 1:45.496 | 1:47.701 | 1:45.496 |
| 16 | | Guy Smith | Rocketsports Racing | 1:47.948 | 1:46.025 | 1:46.025 |
| 17 | | Alex Sperafico | Mi-Jack Conquest Racing | 1:46.742 | 1:46.321 | 1:46.321 |
| 18 |  | Gastón Mazzacane | Dale Coyne Racing | 1:46.878 | 1:47.042 | 1:46.878 |
Race
| Pos | No | Driver | Team | Laps | Time/Retired | Grid | Points |
| 1 | 8 | Alex Tagliani | Rocketsports Racing | 48 | 1:45:07.288 | 13 | 33 |
| 2 | 3 | Rodolfo Lavín | Forsythe Racing | 48 | +1.855 secs | 10 | 28 |
| 3 | 2 | Sébastien Bourdais | Newman/Haas Racing | 48 | +2.767 secs | 1 | 27 |
| 4 | 4 | Ryan Hunter-Reay | Herdez Competition | 48 | +3.814 secs | 2 | 24 |
| 5 | 55 | Mario Domínguez | Herdez Competition | 48 | +4.398 secs | 15 | 21 |
| 6 | 11 | Oriol Servià | Dale Coyne Racing | 48 | +6.390 secs | 8 | 19 |
| 7 | 34 | Justin Wilson | Mi-Jack Conquest Racing | 48 | +8.500 secs | 9 | 17 |
| 8 | 12 | Jimmy Vasser | PKV Racing | 48 | +8.546 secs | 3 | 15 |
| 9 | 9 | Michel Jourdain, Jr. | RuSPORT | 48 | +9.056 secs | 11 | 13 |
| 10 | 17 | Guy Smith | Rocketsports Racing | 48 | +9.997 secs | 16 | 11 |
| 11 | 5 | Mario Haberfeld | Walker Racing | 48 | +16.725 secs | 12 | 10 |
| 12 | 1 | Paul Tracy | Forsythe Racing | 48 | +26.616 secs | 6 | 10 |
| 13 | 10 | A. J. Allmendinger | RuSPORT | 47 | + 1 Lap | 7 | 8 |
| 14 | 7 | Patrick Carpentier | Forsythe Racing | 46 | + 2 Laps | 5 | 7 |
| 15 | 6 | Bruno Junqueira | Newman/Haas Racing | 46 | + 2 Laps | 4 | 7 |
| 16 | 21 | Roberto González | PKV Racing | 46 | + 2 Laps | 14 | 5 |
| 17 | 14 | Alex Sperafico | Mi-Jack Conquest Racing | 46 | + 2 Laps | 17 | 4 |
| 18 | 19 | Gastón Mazzacane | Dale Coyne Racing | 29 | Off course | 18 | 3 |
Caution flags
;Drivers' Championship standings
| Pos | Driver | Points |
| 1 | Sébastien Bourdais | 213 |
| 2 | Bruno Junqueira | 166 |
| 2 | 3 | Alex Tagliani | 153 |
| 1 | 4 | Paul Tracy | 152 |
| 1 | 5 | Patrick Carpentier | 141 |
- Note: Only the top five positions are included.
Trivia
- As of the conclusion of the 2017 IndyCar Series season, this race remains Alex Tagliani's first and only win in his Champ Car and IndyCar career.
