2003 Grand Prix Americas (Champ Car)
The 2003 Grand Prix Americas was the sixteenth round of the 2003 CART World Series season, held on September 28, 2003 on the streets of downtown Miami, Florida.
Qualifying results
| Pos | Nat | Name | Team | Qual 1 | Qual 2 | Best |
| 1 |  | Adrian Fernández | Fernández Racing | 46.306 | 44.253 | 44.253 |
| 2 |  | Bruno Junqueira | Newman/Haas Racing | 45.024 | 45.639 | 45.024 |
| 3 |  | Oriol Servià | Patrick Racing | 46.319 | 44.289 | 44.289 |
| 4 |  | Sébastien Bourdais | Newman/Haas Racing | 45.770 | 44.609 | 44.609 |
| 5 |  | Paul Tracy | Team Player's | 47.401 | 44.768 | 44.768 |
| 6 | | Michel Jourdain, Jr. | Team Rahal | 46.033 | 44.939 | 44.939 |
| 7 | | Roberto Moreno | Herdez Competition | 46.773 | 45.140 | 45.140 |
| 8 | | Mario Domínguez | Herdez Competition | 46.379 | 45.157 | 45.157 |
| 9 |  | Tiago Monteiro | Fittipaldi-Dingman Racing | 47.845 | 45.318 | 45.318 |
| 10 | | Alex Tagliani | Rocketsports Racing | 46.328 | 45.372 | 45.372 |
| 11 |  | Jimmy Vasser | American Spirit Team Johansson | 46.530 | 45.380 | 45.380 |
| 12 |  | Darren Manning | Walker Racing | 47.119 | 45.430 | 45.430 |
| 13 | | Mario Haberfeld | Mi-Jack Conquest Racing | 51.950 | 45.441 | 45.441 |
| 14 | | Ryan Hunter-Reay | American Spirit Team Johansson | 46.470 | 45.652 | 45.652 |
| 15 |  | Mika Salo | PK Racing | 45.686 | 45.731 | 45.686 |
| 16 | | Rodolfo Lavín | Walker Racing | 48.398 | 46.319 | 46.319 |
| 17 | | Geoff Boss | Dale Coyne Racing | 48.765 | 46.446 | 46.446 |
| 18 | | Patrick Carpentier | Team Player's | 46.765 | 49.267 | 46.765 |
| 19 | | Alex Sperafico | Dale Coyne Racing | 48.871 | - | 48.871 |
Race
| Pos | No | Driver | Team | Laps | Time/Retired | Grid | Points |
| 1 | 55 | Mario Domínguez | Herdez Competition | 135 | 2:03:19.401 | 8 | 20 |
| 2 | 4 | Roberto Moreno | Herdez Competition | 135 | +5.241 secs | 7 | 16 |
| 3 | 27 | Mika Salo | PK Racing | 135 | +7.988 secs | 15 | 14 |
| 4 | 12 | Jimmy Vasser | American Spirit Team Johansson | 135 | +9.208 secs | 11 | 12 |
| 5 | 34 | Mario Haberfeld | Mi-Jack Conquest Racing | 135 | +9.483 secs | 13 | 10 |
| 6 | 32 | Patrick Carpentier | Team Player's | 135 | +10.257 secs | 18 | 8 |
| 7 | 9 | Michel Jourdain, Jr. | Team Rahal | 135 | +19.174 secs | 6 | 6 |
| 8 | 51 | Adrian Fernández | Fernández Racing | 134 | + 1 Lap | 1 | 7 |
| 9 | 1 | Bruno Junqueira | Newman/Haas Racing | 131 | + 4 Laps | 2 | 5 |
| 10 | 11 | Geoff Boss | Dale Coyne Racing | 129 | + 6 Laps | 17 | 3 |
| 11 | 15 | Darren Manning | Walker Racing | 123 | Mechanical | 12 | 2 |
| 12 | 31 | Ryan Hunter-Reay | American Spirit Team Johansson | 114 | Contact | 14 | 1 |
| 13 | 33 | Alex Tagliani | Rocketsports Racing | 101 | Contact | 10 | 0 |
| 14 | 19 | Alex Sperafico | Dale Coyne Racing | 98 | Contact | 19 | 0 |
| 15 | 7 | Tiago Monteiro | Fittipaldi-Dingman Racing | 91 | Contact | 9 | 0 |
| 16 | 3 | Paul Tracy | Team Player's | 69 | Contact | 5 | 0 |
| 17 | 2 | Sébastien Bourdais | Newman/Haas Racing | 69 | Contact | 4 | 0 |
| 18 | 5 | Rodolfo Lavín | Walker Racing | 56 | Contact | 16 | 0 |
| 19 | 20 | Oriol Servià | Patrick Racing | 43 | Contact | 3 | 0 |