1980 IndyCar season Drivers and constructors Drivers and constructors

| Team | Chassis | Engine | Tires | Drivers |
|---|---|---|---|---|
| Sugaripe Prune | McLaren | Cosworth | G | Tom Sneva |
| Chaparral Cars Inc. | Chaparral | Cosworth | G | Johnny Rutherford |
| Team Penske | Penske Phoenix | Cosworth | G | Rick Mears |
| Team Penske | Penske Phoenix | Cosworth | G | Bobby Unser |
| Team Penske | Penske Phoenix | Cosworth | G | Mario Andretti |
| Team Penske | Penske Phoenix | Cosworth | G | Gordon Johncock |
| Team Penske | Penske Phoenix | Cosworth | G | Tom Gloy |
| Patrick Racing | Penske Wildcat Phoenix | Cosworth | G | Gordon Johncock |
| Patrick Racing | Penske Wildcat Phoenix | Cosworth | G | Tom Bagley |
| Patrick Racing | Penske Wildcat Phoenix | Cosworth | G | Gordon Smiley |
| Fletcher Racing | Penske Phoenix | Cosworth | G | Spike Gehlhausen |
| Fletcher Racing | Penske Phoenix | Cosworth | G | Gordon Smiley |