Stefan Johansson CART/Champ Car results at Road America
| Year | Race # | Start | Finish | Car # | Sponsor | Chassis | Engine | Tire | Owner | Qualifying Speed | Laps | X Led | Laps Led | Status | Points |
| 1992 | 12 | 14 | 19 | 16 | AMAX | Penske | Chevrolet | Goodyear | Bettenhausen | 129.750 | 43 | 0 | 0 | transmission | 0 |
| 1993 | 12 | 17 | 21 | 16 | AMAX | Penske | Chevrolet | Goodyear | Bettenhausen | | 39 | 0 | 0 | transmission | 0 |
| 1994 | 14 | 19 | 8 | 16 | Alumax | Penske | Chevrolet | Goodyear | Bettenhausen | 132.031 | 50 | 0 | 0 | flagged | 5 |
| 1995 | 10 | 17 | 10 | 16 | Team Alumax | Penske | Ilmor | Goodyear | Bettenhausen | 139.037 | 50 | 0 | 0 | flagged | 3 |
| 1996 | 14 | 21 | 4 | 16 | Alumax Aluminum | Reynard | Mercedes | Goodyear | Bettenhausen | 136.655 | 50 | 0 | 0 | flagged | 12 |
