The 2003 Grand Prix Americas was the eighth race of the 2003 American Le Mans Series season. It took place on a temporary street circuit [ permanent dead link ] in Miami, Florida on September 27, 2003.
The race was scheduled for 2 hours and 45 minutes, but was ended several minutes early due to heavy rains causing multiple accidents.
Class winners in bold. Cars failing to complete 75% of winner's distance marked as Not Classified (NC).
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
|---|---|---|---|---|---|---|---|
| Engine | |||||||
| 1 | LMP900 | 38 |  ADT Champion Racing |  Johnny Herbert  JJ Lehto | Audi R8 | M | 157 |
| Audi 3.6L Turbo V8 | |||||||
| 2 | LMP900 | 1 |  Infineon Team Joest | Marco Werner Frank Biela | Audi R8 | M | 157 |
| Audi 3.6L Turbo V8 | |||||||
| 3 | LMP900 | 10 | JML Team Panoz |  Olivier Beretta  David Saelens | Panoz LMP01 Evo | M | 155 |
| Élan 6L8 6.0L V8 | |||||||
| 4 | GTS | 80 | Prodrive |  David Brabham Darren Turner | Ferrari 550-GTS Maranello | M | 154 |
| Ferrari 5.9L V12 | |||||||
| 5 | GTS | 88 | Prodrive |  Tomáš Enge  Peter Kox | Ferrari 550-GTS Maranello | M | 154 |
| Ferrari 5.9L V12 | |||||||
| 6 | LMP675 | 20 | Dyson Racing | Chris Dyson Andy Wallace | MG-Lola EX257 | G | 152 |
| MG (AER) XP20 2.0L Turbo I4 | |||||||
| 7 | GT | 23 | Alex Job Racing | Lucas Luhr Sascha Maassen | Porsche 911 GT3-RS | M | 151 |
| Porsche 3.6L Flat-6 | |||||||
| 8 | LMP675 | 16 | Dyson Racing | Butch Leitzinger James Weaver | MG-Lola EX257 | G | 150 |
| MG (AER) XP20 2.0L Turbo I4 | |||||||
| 9 | GT | 35 | Risi Competizione | Anthony Lazzaro Ralf Kelleners | Ferrari 360 Modena GTC | M | 150 |
| Ferrari 3.6L V8 | |||||||
| 10 | GT | 60 | P.K. Sport | Robin Liddell  Alex Caffi | Porsche 911 GT3-RS | P | 149 |
| Porsche 3.6L Flat-6 | |||||||
| 11 | LMP900 | 30 | Intersport Racing | Clint Field Mike Durand | Riley & Scott Mk III C | D | 149 |
| Élan 6L8 6.0L V8 | |||||||
| 12 | LMP900 | 12 | American Spirit Racing | Michael Lewis Tomy Drissi | Riley & Scott Mk III C | D | 148 |
| Lincoln (Élan) 5.0L V8 | |||||||
| 13 | GT | 31 | Petersen Motorsports White Lightning Racing | Craig Stanton Johnny Mowlem | Porsche 911 GT3-RS | M | 148 |
| Porsche 3.6L Flat-6 | |||||||
| 14 | GT | 28 | JMB Racing USA |  Stéphane Grégoire  Eliseo Salazar | Ferrari 360 Modena GTC | P | 146 |
| Ferrari 3.6L V8 | |||||||
| 15 | GTS | 0 | Team Olive Garden | Emanuele Naspetti Mimmo Schiattarella | Ferrari 550 Maranello | P | 145 |
| Ferrari 6.0L V12 | |||||||
| 16 DNF | GT | 24 | Alex Job Racing | Jörg Bergmeister Timo Bernhard | Porsche 911 GT3-RS | M | 143 |
| Porsche 3.6L Flat-6 | |||||||
| 17 | GT | 33 | ZIP Racing | Andy Lally Spencer Pumpelly Romeo Kapudija | Porsche 911 GT3-RS | D | 143 |
| Porsche 3.6L Flat-6 | |||||||
| 18 | GT | 63 | ACEMCO Motorsports | Terry Borcheller Shane Lewis | Ferrari 360 Modena GTC | Y | 143 |
| Ferrari 3.6L V8 | |||||||
| 19 | LMP675 | 18 | Essex Racing | Scott Bradley Jason Workman | Lola B2K/40 | P | 142 |
| Nissan (AER) VQL 3.0L V6 | |||||||
| 20 | LMP675 | 37 | Intersport Racing | Jon Field Duncan Dayton | MG-Lola EX257 | G | 142 |
| MG (AER) XP20 2.0L Turbo I4 | |||||||
| 21 | GT | 66 | The Racer's Group | Kevin Buckler Cort Wagner | Porsche 911 GT3-RS | M | 142 |
| Porsche 3.6L Flat-6 | |||||||
| 22 | GT | 42 | Orbit Racing | Joe Policastro Joe Policastro Jr. | Porsche 911 GT3-RS | M | 138 |
| Porsche 3.6L Flat-6 | |||||||
| 23 | GT | 67 | The Racer's Group | Jeff Zwart Pierre Ehret | Porsche 911 GT3-RS | M | 136 |
| Porsche 3.6L Flat-6 | |||||||
| 24 DNF | LMP900 | 11 | JML Team Panoz |  Scott Maxwell Gunnar Jeannette | Panoz LMP01 Evo | M | 135 |
| Élan 6L8 6.0L V8 | |||||||
| 25 DNF | GT | 29 | JMB Racing USA | Stephen Earle Mark Neuhaus | Ferrari 360 Modena GTC | P | 133 |
| Ferrari 3.6L V8 | |||||||
| 26 | GT | 68 | The Racer's Group | Marc Bunting Chris Gleason | Porsche 911 GT3-RS | M | 125 |
| Porsche 3.6L Flat-6 | |||||||
| 27 | GTS | 3 | Corvette Racing | Ron Fellows Johnny O'Connell | Chevrolet Corvette C5-R | G | 122 |
| Chevrolet 7.0L V8 | |||||||
| 28 NC | GT | 79 | J3 Racing | David Murry Justin Jackson | Porsche 911 GT3-RS | M | 113 |
| Porsche 3.6L Flat-6 | |||||||
| 29 DNF | GT | 61 | P.K. Sport | David Warnock Ron Atapattu | Porsche 911 GT3-R | P | 107 |
| Porsche 3.6L Flat-6 | |||||||
| 30 DNF | GT | 03 | Hyper Sport | Rick Skelton Brad Nyberg | Panoz Esperante GT-LM | P | 68 |
| Élan 5.0L V8 | |||||||
| 31 DNF | GTS | 2 | Konrad Motorsport |  Franz Konrad Richard Nearn | Saleen S7-R | D | 62 |
| Ford 7.0L V8 | |||||||
| 32 DNF | GT | 40 | Alegra Motorsports | Bill Auberlen  Niclas Jönsson | BMW M3 | Y | 58 |
| BMW 3.2L I6 | |||||||
| 33 DNF | GT | 43 | Orbit Racing | Marc Lieb Peter Baron | Porsche 911 GT3-RS | M | 41 |
| Porsche 3.6L Flat-6 | |||||||
| 34 DNF | LMP675 | 56 | Team Bucknum Racing | Jeff Bucknum Bryan Willman Chris McMurry | Pilbeam MP91 | D | 40 |
| Willman (JPX) 3.4L V6 | |||||||
| 35 DNF | GTS | 71 | Carsport America | Tom Weickardt Jean-Philippe Belloc | Dodge Viper GTS-R | P | 16 |
| Dodge 8.0L V10 | |||||||
| 36 DNF | GT | 41 | Alegra Motorsports | Ross Bluestein Carlos DeQuesada | BMW M3 | Y | 15 |
| BMW 3.2L I6 | |||||||
| DNS | GTS | 4 | Corvette Racing | Kelly Collins Oliver Gavin | Chevrolet Corvette C5-R | G | - |
| Chevrolet 7.0L V8 |
