Drivers and Constructors
The following teams and drivers competed for the 1991 Indy Car World Series.
| Team | Chassis | Engine | Tires | No | Drivers |
|---|---|---|---|---|---|
| Galles-Kraco Racing | Lola | Chevrolet | Goodyear | 1 | Al Unser, Jr. |
| 18 | Bobby Rahal | ||||
| Newman/Haas Racing | Lola | Chevrolet | Goodyear | 2 | Michael Andretti |
| 6 | Mario Andretti | ||||
| Marlboro Team Penske | Penske | Chevrolet | Goodyear | 3 | Rick Mears |
| 5 | Emerson Fittipaldi | ||||
| 17 | Paul Tracy | ||||
| Chip Ganassi Racing | Lola | Chevrolet | Goodyear | 8 | Eddie Cheever |
| Granatelli Racing Team | Lola | Chevrolet | Goodyear | 9 | Arie Luyendyk |
| Truesports | Truesports | Judd | Goodyear | 11 | Scott Pruett |
| Patrick Racing | Lola | Alfa Romeo | Goodyear | 20 | Danny Sullivan |
| 40 | Roberto Guerrero | ||||
| Bettenhausen Motorsports | Penske | Chevrolet | Goodyear | 16 | Tony Bettenhausen, Jr. |
| 90 | Cornelius Euser | ||||
| Walker Racing | Lola | Cosworth | Goodyear | 10 | Willy T. Ribbs |
| Judd | 15 | Scott Goodyear | |||
| Euromotorsports | Lola | Cosworth | Goodyear | 42 | Franco Scapini |
| Nicola Marozzo | |||||
| 50 | Mike Groff | ||||
| Dale Coyne Racing | Lola | Cosworth | Goodyear | 19 | Randy Lewis |
| Dale Coyne | |||||
| Ross Bentley | |||||
| 39 | Dennis Vitolo | ||||
| Jeff Wood | |||||
| Michael Greenfield | |||||
| Paul Tracy | |||||
| 90 | Buddy Lazier | ||||
| P.I.G. Entreprises | Lola | Judd | Goodyear | 31 | Ted Prappas |
| Hall-VDS Racing | Lola | Chevrolet | Goodyear | 4 | John Andretti |
| Bayside Disposal Racing | Lola | Cosworth | Goodyear | 86 | Jeff Andretti |
| Dick Simon Racing | Lola | Cosworth | Goodyear | 7 | Hiro Matsushita |
| Chevrolet | 22 | Scott Brayton | |||
| Leader Card Racing | Lola | Cosworth | Goodyear | 21 | Dean Hall |
| Didier Theys | |||||
| Johnny Parsons | |||||
| U.S. Engineering | Lola | Cosworth | Goodyear | 44 | Phil Krueger |
| Arciero Racing | Penske | Buick | Goodyear | 12 | Mark Dismore |
| Lola | Pancho Carter | ||||
| John Jones | |||||
| Giochi/Preziosi | Lola | Cosworth | Goodyear | 33 | Guido Daccò |
| A. J. Foyt Enterprises | Lola | Chevrolet | Goodyear | 14 | A. J. Foyt |
| Bernard Jourdain | |||||
| Al Unser | |||||
| Hemelgarn Racing | Lola | Buick | Goodyear | 71 | Buddy Lazier |
| 91 | Stan Fox | ||||
| Cosworth | 92 | Gordon Johncock | |||
| Thom Burns Racing | Lola | Judd | Goodyear | 66 | Dominic Dobson |
| Bernstein Racing | TrueSports | Judd | Goodyear | 21 | Geoff Brabham |
| Lola | 26 | Jim Crawford | |||
| Menard Racing | Lola | Buick | Goodyear | 9 | Kevin Cogan |
| 51 | Gary Bettenhausen | ||||
| Paragon Racing | Lola | Cosworth | Goodyear | 23 | Tero Palmroth |
| Mann Racing | Lola | Buick | Goodyear | 93 | John Paul, Jr. |
Read more about this topic: 1991 Indy Car Season