| series | Champcar current |
| race |  Laguna Seca |
| year | 1991 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Newman-Haas | 2 | Kmart/Texaco/Havoline | Michael Andretti | | 1 | 1 | Lola T9100 [HU30] | Chevy V8/A | 84 | |
| Galles-Kraco | 1 | Valvoline | Al Unser Jr. | | 8 | 2 | Lola T9100 | Chevy V8/A | ||
| Newman-Haas | 6 | Kmart/Texaco/Havoline | Mario Andretti | | 6 | 3 | Lola T9100 [HU15] | Chevy V8/A | ||
| Penske | 5 | Marlboro | Emerson Fittipaldi |  | 3 | 4 | Penske PC-20/91 | Chevy V8/A | ||
| Penske | 3 | Marlboro | Rick Mears | | 2 | 5 | Penske PC-20/91 [004] | Chevy V8/A | ||
| Ganassi | 8 | Target/Scotch Video | Eddie Cheever | | 7 | 6 | Lola T9100 [HU26] | Chevy V8/A | ||
| Truesports | 11 | Budweiser | Scott Pruett | | 5 | 7 | Truesports 91C | Judd AV | ||
| Vince Granatelli | 9 | Vince Granatelli Racing | Arie Luyendyk |  | 9 | 8 | Lola T9100 | Chevy V8/A | ||
| Patrick | 20 | Miller Genuine Draft | Danny Sullivan | | 15 | 9 | Lola T9100 | Alfa Romeo M191 | ||
| Bettenhausen | 90 | AMAX | Cornelius Euser | | 12 | 10 | Penske PC-19/90 | Chevy V8/A | ||
| UNO Racing | 15 | Mackenzie Financial | Scott Goodyear |  | 13 | 11 | Lola T9100 | Judd AV | ||
| Walker | 10 | Quaker State | Willy T Ribbs | | 20 | 12 | Lola T9000 | Cosworth DFS | ||
| Bayside | 86 | Texaco/Havoline | Jeff Andretti | | 18 | 13 | Lola T9100 | Cosworth DFS | ||
| Leader Card | 21 | Kinko's | Didier Theys |  | 23 | 14 | Lola T9000 [HU11] | Cosworth DFS | ||
| AJ Foyt | 14 | Copenhagen/Gilmore | Mike Groff | | 14 | 15 | Lola T9100 | Chevy V8/A | ||
| Bettenhausen | 16 | AMAX | Tony Bettenhausen Jr. | | 25 | 16 | Penske PC-19/90 | Chevy V8/A | ||
| Euromotorsport | 50 | Fendi/The Kravitz Co | Jeff Wood | | 24 | 17 | Lola T9100 [HU12] | Cosworth DFS | ||
| King Racing | 26 | Quaker State | Roberto Guerrero |  | 22 | 18 | Lola T9100 | Buick 3300 V6 | ||
| Hall Racing | 4 | Pennzoil | John Andretti | | 10 | 19 | Lola T9100 | Chevy V8/A | ||
| Dick Simon | 7 | Panasonic | Hiro Matsushita |  | 19 | 20 | Lola T9100 | Chevy V8/A | ||
| Arciero | 12 | Doc's Hi Tech | John Jones | | 27 | 21 | Lola T8900 | Buick 3300 V6 | ||
| Hemelgarn | 39 | Hemelgarn Racing | Buddy Lazier | | 21 | 22 | Lola T9000 [HU01] | Cosworth DFS | ||
| PIG Racing | 31 | Personal Investment Group | Ted Prappas | | 16 | 23 | Lola T9100 | Judd AV | ||
| Galles-Kraco | 18 | STP/Kraco | Bobby Rahal | | 4 | 24 | Lola T9100 | Chevy V8/A | ||
| Penske | 17 | Mobil 1 | Paul Tracy | | 11 | 25 | Penske PC-19/90 | Chevy V8/A | ||
| Dale Coyne | 19 | AMP | Randy Lewis | | 26 | 26 | Lola T9000 | Cosworth DFS | ||
| Dick Simon | 22 | Amway/Hoechst/Celanese | Scott Brayton | | 17 | 27 | Lola T9100 | Chevy V8/A |
27 entries
