| 1991 Brazilian Grand Prix | |||
|---|---|---|---|
| Race 2 of 16 in the 1991 Formula One World Championship | |||
 | |||
| Race details | |||
| Date | 24 March 1991 | ||
| Location |
Autódromo José Carlos Pace São Paulo, Brazil | ||
| Course | Permanent racing facility | ||
| Course length | 4.325 km (2.687 miles) | ||
| Distance | 71 laps, 307.075 km (190.808 miles) | ||
| Weather |
Cloudy at start, rainy later. Ambient temperature: 29.4°C (85°F). Humidity: 95%. Wind speed: 33.7 km/h (21 mph). | ||
| Pole position | |||
| Driver | McLaren-Honda | ||
| Time | 1:16.392 | ||
| Fastest lap | |||
| Driver |
 Nigel Mansell | Williams-Renault | |
| Time | 1:20.436 on lap 35 | ||
| Podium | |||
| First | McLaren-Honda | ||
| Second | Williams-Renault | ||
| Third | McLaren-Honda | ||
|
Lap leaders | |||
The 1991 Brazilian Grand Prix was a Formula One motor race held at Interlagos on 24 March 1991. It was the second race of the 1991 Formula One World Championship.
The 71-lap race was won from pole position by local driver Ayrton Senna, driving a McLaren-Honda. It was the first time Senna had won his home Grand Prix, in his eighth season of F1. Italian Riccardo Patrese finished second in a Williams-Renault, with Senna's Austrian teammate Gerhard Berger third.