Roberto Guerrero CART CART

| Year_ | Team | Chassis | Engine | Rank_ | Points |
|---|---|---|---|---|---|
| 1984 | Bignotti-Cotter | March 84C | Ford Cosworth DFX | 11th | 52 |
| 1985 | Team Cotter | March 85C | Ford Cosworth DFX | 17th | 34 |
| 1986 | Team Cotter | March 86C | Ford Cosworth DFX | 9th | 87 |
| 1987 | Granatelli Racing | March 87C | Ford Cosworth DFX | 4th | 106 |
| 1988 | Granatelli Racing | Lola T88/00 | Ford Cosworth DFX | 12th | 40 |
| 1988 | Granatelli Racing | March 87C | Ford Cosworth DFX | 12th | 40 |
| 1989 | Alex Morales Motorsports | March 89CE | Alfa Romeo Indy V8 | 23rd | 6 |
| 1989 | Alex Morales Motorsports | March 88C | Alfa Romeo Indy V8 | 23rd | 6 |
| 1990 | Patrick Racing | March 90CA | Alfa Romeo Indy V8 | 16th | 24 |