Michel Jourdain, Jr. CART/Champ Car results at Portland
| Year | Race # | Start | Finish | Car # | Sponsor | Chassis | Engine | Tire | Owner | Qualifying Speed | Laps | X Led | Laps Led | Status | Points |
| 1996 | 9 | 25 | 22 | 22 | Herdez/Perry Ellis | Lola | Ford | Firestone | Simon | 112.913 | 60 | 0 | 0 | off course | 0 |
| 1997 | 9 | 22 | 12 | 19 | Herdez/Mexlub | Reynard | Ford | Firestone | Coyne | 114.322 | 78 | 0 | 0 | flagged | 1 |
| 1998 | 9 | 13 | 19 | 19 | Herdez/Viva Mexico! | Reynard | Ford | Firestone | Coyne | 119.401 | 92 | 0 | 0 | oil leak | 0 |
| 1999 | 8 | 24 | 20 | 19 | Herdez/Viva Mexico! | Reynard | Honda | Firestone | Coyne | 119.646 | 96 | 0 | 0 | flagged | 0 |
| 2000 | 8 | 19 | 23 | 16 | Herdez | Lola | Mercedes | Firestone | Bettenhausen | 118.885 | 8 | 0 | 0 | mechanical | 0 |
| 2001 | 7 | 24 | 15 | 16 | Herdez | Lola | Ford | Firestone | Bettenhausen | 120.269 | 76 | 0 | 0 | flagged | 0 |
| 2002 | 6 | 17 | 6 | 9 | Gigante | Lola | Ford | Bridgestone | Rahal | 116.660 | 110 | 0 | 0 | flagged | 8 |
| 2003 | 8 | 2 | 12 | 9 | Gigante | Lola | Ford | Bridgestone | Rahal | 120.473 | 99 | 1 | 42 | flagged | 2 |
| 2004 | 4 | 8 | 14 | 9 | Gigante | Lola | Ford | Bridgestone | RuSPORT | 118.337 | 92 | 0 | 0 | flagged | 7 |
