1991 · Round 4 · FP Monaco Grand Prix
Circuit de Monaco, Monaco
Sunday, May 12, 1991
Circuit de Monaco, Monaco
Sunday, May 12, 1991
Fastest
BER
1:22.259
Margin
+0.412
to SEN
Most laps
—
BER
Laps completed
—
Best lap, gap to the fastest driver and laps completed
| Pos | Driver | Best | Gap | Laps |
|---|---|---|---|---|
| 01 | BERMcLaren · McLaren MP4-6 Honda · Honda | 1:22.259 | — | — |
| 02 | SENMcLaren · McLaren MP4-6 Honda · Honda | 1:22.671 | +0.412 | — |
| 03 | MORBenetton · Benetton Ford B191 ~ Benetton B190B · Ford | 1:22.957 | +0.698 | — |
| 04 | ALEFerrari · Ferrari 642 F1 91 ~ Ferrari 643 F1 91 | 1:23.539 | +1.280 | — |
| 05 | PATWilliams · Williams FW14 · Renault | 1:23.595 | +1.336 | — |
| 06 | MANWilliams · Williams FW14 · Renault | 1:23.862 | +1.603 | — |
| 07 | PIQBenetton · Benetton Ford B191 ~ Benetton B190B · Ford | 1:23.869 | +1.610 | — |
| 08 | MODTyrrell · Tyrrell 020 · Honda | 1:24.326 | +2.067 | — |
| 09 | PROFerrari · Ferrari 642 F1 91 ~ Ferrari 643 F1 91 | 1:24.785 | +2.526 | — |
| 10 | MARMinardi · Minardi M191 · Ferrari | 1:24.857 | +2.598 | — |
| 11 | TARAGS · JH25B JH27 · Cosworth | 1:25.116 | +2.857 | — |
| 12 | GACJordan · Jordan 191 · Ford | 1:25.196 | +2.937 | — |
| 13 | NAKTyrrell · Tyrrell 020 · Honda | 1:25.531 | +3.272 | — |
| 14 | BRUBrabham · Brabham BT59Y ~ Brabham BT60Y · Yamaha | 1:25.697 | +3.438 | — |
| 15 | PIRBMS Scuderia Italia · Dallara BMS-F191 Judd · Judd | 1:25.863 | +3.604 | — |
| 16 | DECJordan · Jordan 191 · Ford | 1:26.008 | +3.749 | — |
| 17 | CAPLeyton House · Leyton House CG911 · Ilmor | 1:26.089 | +3.830 | — |
| 18 | JARBMS Scuderia Italia · Dallara BMS-F191 Judd · Judd | 1:26.106 | +3.847 | — |
| 19 | GUGLeyton House · Leyton House CG911 · Ilmor | 1:26.611 | +4.352 | — |
| 20 | BOULigier · Ligier JS35B ~ Ligier JS35 · Lamborghini | 1:26.740 | +4.481 | — |
| 21 | COMLigier · Ligier JS35B ~ Ligier JS35 · Lamborghini | 1:26.841 | +4.582 | — |
| 22 | BARAGS · JH25B JH27 · Cosworth | 1:27.405 | +5.146 | — |
| 23 | CAFFootwork · A11C FA12 · Porsche | 1:27.676 | +5.417 | — |
| 24 | SUZLarrousse · Larrousse 91 · Cosworth | 1:27.848 | +5.589 | — |
| 25 | MORMinardi · Minardi M191 · Ferrari | 1:28.001 | +5.742 | — |
| 26 | HAKTeam Lotus · Lotus 102B · Judd | 1:28.424 | +6.165 | — |
| 27 | BERLarrousse · Larrousse 91 · Cosworth | 1:28.469 | +6.210 | — |
| 28 | ALBFootwork · A11C FA12 · Porsche | 1:28.655 | +6.396 | — |
| 29 | BAITeam Lotus · Lotus 102B · Judd | 1:28.762 | +6.503 | — |
| 30 | BLUBrabham · Brabham BT59Y ~ Brabham BT60Y · Yamaha | 1:30.210 | +7.951 | — |