The 2006 Grand Prix of Road America was the twelfth round of the 2006 Champ Car World Series season, held on September 24, 2006 at Road America in Elkhart Lake, Wisconsin.
| Pos | Nat | Name | Team | Qual 1 | Qual 2 | Best |
|---|---|---|---|---|---|---|
| 1 | Dan Clarke | CTE Racing - HVM | 1:55.123 | no time | 1:55.123 | |
| 2 | Sébastien Bourdais | Newman-Haas Racing | 1:58.945 | 2:06.460 | 1:58.945 | |
| 3 | Charles Zwolsman | Mi-Jack Conquest Racing | 1:55.599 | 2:11.121 | 1:55.599 | |
| 4 | Alex Tagliani | Team Australia | 1:57.517 | 2:09.891 | 1:57.517 | |
| 5 | A. J. Allmendinger | Forsythe Racing | 1:58.507 | 2:07.969 | 1:58.507 | |
| 6 | Justin Wilson | RuSPORT | 1:59.076 | 2:06.994 | 1:59.076 | |
| 7 | Will Power | Team Australia | 1:59.286 | 2:07.683 | 1:59.286 | |
| 8 | Katherine Legge | PKV Racing | 1:59.388 | 2:12.916 | 1:59.388 | |
| 9 | Andrew Ranger | Mi-Jack Conquest Racing | 1:59.486 | 4:09.032 | 1:59.486 | |
| 10 | Bruno Junqueira | Newman-Haas Racing | 1:59.977 | no time | 1:59.977 | |
| 11 | Paul Tracy | Forsythe Racing | 2:00.165 | 2:08.767 | 2:00.165 | |
| 12 | Jan Heylen | Dale Coyne Racing | 2:00.835 | 2:11.400 | 2:00.835 | |
| 13 | Oriol Servià | PKV Racing | 2:01.082 | 2:10.782 | 2:01.082 | |
| 14 | Tõnis Kasemets | Rocketsports Racing | 2:01.381 | 2:10.273 | 2:01.381 | |
| 15 | Mario Domínguez | Rocketsports Racing | 2:01.882 | 2:11.076 | 2:01.882 | |
| 16 | Nelson Philippe | CTE Racing - HVM | 2:02.273 | 2:10.028 | 2:02.273 | |
| 17 | Juan Cáceres | Dale Coyne Racing | 2:03.690 | 2:13.169 | 2:03.690 |
| Pos | No | Driver | Team | Laps | Time/Retired | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 7 | A. J. Allmendinger | Forsythe Racing | 51 | 2:36:44.637 | 5 | 32 |
| 2 | 2 | Bruno Junqueira | Newman-Haas Racing | 51 | +0.7 secs | 10 | 28 |
| 3 | 1 | Sébastien Bourdais | Newman-Haas Racing | 51 | +1.0 secs | 2 | 28 |
| 4 | 6 | Oriol Servià | PKV Racing | 51 | +2.6 secs | 13 | 24 |
| 5 | 9 | Justin Wilson | RuSPORT | 51 | +3.7 secs | 6 | 21 |
| 6 | 14 | Dan Clarke | CTE Racing - HVM | 51 | +4.7 secs | 1 | 21 |
| 7 | 34 | Charles Zwolsman | Mi-Jack Conquest Racing | 51 | +5.5 secs | 3 | 18 |
| 8 | 27 | Andrew Ranger | Mi-Jack Conquest Racing | 51 | +7.4 secs | 9 | 15 |
| 9 | 11 | Jan Heylen | Dale Coyne Racing | 51 | +8.7 secs | 12 | 13 |
| 10 | 3 | Paul Tracy | Forsythe Racing | 51 | +9.0 secs | 11 | 11 |
| 11 | 15 | Alex Tagliani | Team Australia | 51 | +13.2 secs | 4 | 10 |
| 12 | 8 | Mario Domínguez | Rocketsports Racing | 51 | +20.2 secs | 15 | 9 |
| 13 | 5 | Will Power | Team Australia | 50 | + 1 Lap | 7 | 8 |
| 14 | 4 | Nelson Philippe | CTE Racing - HVM | 50 | + 1 Lap | 16 | 7 |
| 15 | 19 | Juan Cáceres | Dale Coyne Racing | 50 | + 1 Lap | 17 | 6 |
| 16 | 20 | Katherine Legge | PKV Racing | 45 | Accident | 8 | 5 |
| 17 | 18 | Tõnis Kasemets | Rocketsports Racing | 14 | Mechanical | 14 | 4 |
| Laps | Cause |
|---|---|
| 1-3 | Junqueira (2), Power (5) & Heylen (11) crash |
| 18-20 | Power (5) off course |
| 27-29 | Cáceres (19) off course |
| 30-31 | Junqueira (2) & Ranger (27) crash |
| 33-34 | Tracy (3) off course |
| 46-49 | Legge (20) crash (42 minute red flag) |
|
|