2003 IndyCar Series
| 2003 IndyCar season | |
|---|---|
| IndyCar Series | |
| Season | |
| Races | 16 |
| Start date | March 2 |
| End date | October 17 |
| Awards | |
| Drivers' champion | Scott Dixon |
| Manufacturers' Cup | Toyota |
| Rookie of the Year | Dan Wheldon |
| Indianapolis 500 winner | Gil de Ferran |
Scott Dixon (left) won his first Drivers' Championship while Gil de Ferran (right) finished second in the championship while winning the 2003 Indianapolis 500.
The 2003 IndyCar Series was the 92nd official championship season of American open-wheel racing and the 8th season under Indy Racing League sanction. Its showcase event was the 87th running of the Indianapolis 500, which was won by Team Penske driver Gil de Ferran for his first and only time. Sam Hornish Jr. entered the season as the back-to-back defending champion.