The 2003 Euro Formula 3000 Series was scheduled over 10 rounds and contested over 9 rounds. 10 different teams, 26 different drivers competed. All teams raced with Lola T99/50 chassis with Zytek engines.
| Team | Driver | Rounds | |
|---|---|---|---|
 Traini Corse | 1 | Matteo Grassotto | All |
| 2 |  Colin Brown | 1-6 | |
| Matteo Cressoni | 7 | ||
 Nicolas Dalli | 8 | ||
| nowrap | Leonardo Orecchioni | 9 | |
| John Village Automotive | 3 |  Peter Boss | All |
| 4 | Joel Nelson | All | |
| GP Racing | 5 |  Roman Rusinov | 1-7 |
 Maxime Hodencq | 8-9 | ||
| 6 | Fabrizio del Monte | All | |
| Draco Junior Team | 7 | Sven Heidfeld | All |
| 8 |  Augusto Farfus | All | |
| B & C Competition | 11 |  Massimo Carli | 2 |
| 12 |  Paolo Leonardo Biglieri | 2 | |
| Euronova Racing | 14 |  Norbert Siedler | 9 |
| 15 | Vitaly Petrov | 9 | |
| ADM Motorsport | 16 | Gianmaria Bruni | 1-7 |
| Jaime Melo | 8-9 | ||
| 17 | Rafael Sperafico | 1-7 | |
| Mauro Contu | 9 | ||
| Scuderia Famà | 18 | | 1-4 |
| Jean de Pourtales | 5-9 | ||
| 19 | Nicky Pastorelli | All | |
| Energy Racing | 23 | Miloš Pavlović | 1-2 |
| Uboldi Corse | 34 | Gabriele Lancieri | 4 |
| Jaime Melo | 5 | ||
| Giacomo Vargiu | 9 |
The season was scheduled to start at Autódromo do Estoril on 27 April, but the round was cancelled by promoter.
| Round | Circuit/Location | Date | Laps | Distance | Time | Speed | |
|---|---|---|---|---|---|---|---|
| 1 |  Nürburgring | 4 May | 30 | 5.148=154.44 km | 0'56:20.557 | 164.465 km/h | |
| 2 | nowrap | Circuit de Nevers Magny-Cours | 11 May | 35 | 4.25=148.75 km | 0'52:45.207 | 169.183 km/h |
| 3 | Autodromo di Pergusa | 25 May | 31 | 4.950=153.45 km | 0'48:37.392 | 189.354 km/h | |
| 4 | Autodromo Nazionale Monza | 29 June | 25 | 5.770=144.25 km | 0'42:45.086 | 202.449 km/h | |
| 5 | Circuit de Spa-Francorchamps | 20 July | 19 | 6.968=132.392 km | 0´46:20.006 | ? km/h | |
| 6 | Donington Park | 10 August | 38 | 4.023=152.874 km | 1'05:21.400 | 140.344 km/h | |
| 7 |  Masaryk Circuit, Brno | nowrap | 21 September | 27 | 5.403=145.881 km | 0'51:04.514 | ? km/h |
| 8 | Circuito Permanente de Jerez | 12 October | 34 | 4.428=150.552 km | 0'56:27.791 | 159.982 km/h | |
| 9 | Circuito di Cagliari | 2 November | 60 | 2.414=144.84 km | 1'09:14.803 | 125.499 km/h |
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