1991 · Round 15 · Practice 1 Japanese Grand Prix
Suzuka Circuit, Japan
Sunday, October 20, 1991
Suzuka Circuit, Japan
Sunday, October 20, 1991
Fastest
SEN
1:37.535
Margin
+0.245
to BER
Most laps
—
SEN
Laps completed
—
Best lap, gap to the fastest driver and laps completed
| Pos | Driver | Best | Gap | Laps |
|---|---|---|---|---|
| 01 | SENMcLaren · McLaren MP4-6 Honda · Honda | 1:37.535 | — | — |
| 02 | BERMcLaren · McLaren MP4-6 Honda · Honda | 1:37.780 | +0.245 | — |
| 03 | MANWilliams · Williams FW14 · Renault | 1:37.825 | +0.290 | — |
| 04 | PROFerrari · Ferrari 642 F1 91 ~ Ferrari 643 F1 91 | 1:40.412 | +2.877 | — |
| 05 | ALEFerrari · Ferrari 642 F1 91 ~ Ferrari 643 F1 91 | 1:40.434 | +2.899 | — |
| 06 | DECJordan · Jordan 191 · Ford | 1:40.461 | +2.926 | — |
| 07 | PATWilliams · Williams FW14 · Renault | 1:40.608 | +3.073 | — |
| 08 | ZANJordan · Jordan 191 · Ford | 1:41.035 | +3.500 | — |
| 09 | ALBFootwork · A11C FA12 · Porsche | 1:41.573 | +4.038 | — |
| 10 | PIQBenetton · Benetton Ford B191 ~ Benetton B190B · Ford | 1:41.783 | +4.248 | — |
| 11 | HERTeam Lotus · Lotus 102B · Judd | 1:41.787 | +4.252 | — |
| 12 | CAFFootwork · A11C FA12 · Porsche | 1:42.032 | +4.497 | — |
| 13 | JARBMS Scuderia Italia · Dallara BMS-F191 Judd · Judd | 1:42.186 | +4.651 | — |
| 14 | BRUBrabham · Brabham BT59Y ~ Brabham BT60Y · Yamaha | 1:42.276 | +4.741 | — |
| 15 | MORMinardi · Minardi M191 · Ferrari | 1:42.429 | +4.894 | — |
| 16 | GUGLeyton House · Leyton House CG911 · Ilmor | 1:42.789 | +5.254 | — |
| 17 | MODTyrrell · Tyrrell 020 · Honda | 1:43.102 | +5.567 | — |
| 18 | MSCBenetton · Benetton Ford B191 ~ Benetton B190B · Ford | 1:43.317 | +5.782 | — |
| 19 | NAKTyrrell · Tyrrell 020 · Honda | 1:43.453 | +5.918 | — |
| 20 | PIRBMS Scuderia Italia · Dallara BMS-F191 Judd · Judd | 1:43.574 | +6.039 | — |
| 21 | BOULigier · Ligier JS35B ~ Ligier JS35 · Lamborghini | 1:43.781 | +6.246 | — |
| 22 | BERLarrousse · Larrousse 91 · Cosworth | 1:44.136 | +6.601 | — |
| 23 | MARMinardi · Minardi M191 · Ferrari | 1:44.657 | +7.122 | — |
| 24 | SUZLarrousse · Larrousse 91 · Cosworth | 1:45.026 | +7.491 | — |
| 25 | HAKTeam Lotus · Lotus 102B · Judd | 1:45.164 | +7.629 | — |
| 26 | WENLeyton House · Leyton House CG911 · Ilmor | 1:45.316 | +7.781 | — |
| 27 | TARFondmetal · Fondmetal Fomet-1 ~ Fondmetal FA1ME · Cosworth | 1:45.551 | +8.016 | — |
| 28 | LARModena · Lambo 291 · Lamborghini | 1:45.555 | +8.020 | — |
| 29 | COMLigier · Ligier JS35B ~ Ligier JS35 · Lamborghini | 1:45.827 | +8.292 | — |
| 30 | VANModena · Lambo 291 · Lamborghini | 1:49.628 | +12.093 | — |