Randy Lewis CART/Champ Car results at Michigan
| Year | Race # | Start | Finish | Car # | Sponsor | Chassis | Engine | Tire | Owner | Qualifying Speed | Laps | X Led | Laps Led | Status | Points |
| 1987 | 9 | 19 | 15 | 19 | Toshiba/Altos/Oracle | March | Cosworth | Goodyear | Leader Card | 206.535 | 210 | 0 | 0 | flagged | 0 |
| 1988 | 9 | 24 | 14 | 24 | Toshiba/Oracle | Lola | Cosworth | Goodyear | Leader Card | 201.652 | 174 | 0 | 0 | engine | 0 |
| 1989 | 10 | 25 | 27 | 28 | Toshiba/Oracle/TeamKar | Lola | Cosworth | Goodyear | Simon | 210.526 | 16 | 0 | 0 | engine | 0 |
| 1990 | 10 | 21 | 12 | 12 | AMP-Samsung | Penske | Buick | Goodyear | Arciero | 208.321 | 212 | 0 | 0 | flagged | 1 |
| 1991 | 11 | 18 | 16 | 19 | AMP | Lola | Cosworth | Goodyear | Coyne | 214.383 | 93 | 0 | 0 | engine | 0 |
