2011 Brazilian Grand Prix
|Race 19 of 19 in the 2011 Formula One season|
|Date||27 November 2011|
|Official name||Formula 1 Grande Prêmio Petrobras do Brasil 2011|
|Location||Autódromo José Carlos Pace, São Paulo, Brazil|
|Course||Permanent racing facility
4.309 km (2.677 mi)
|Distance||71 laps, 305.909 km (190.067 mi)|
Air Temp 24 °C (75 °F) Track Temp 43 °C (109 °F)
|Driver||Sebastian Vettel||Red Bull-Renault|
|Driver||Mark Webber||Red Bull-Renault|
|Time||1:15.324 on lap 71|
|First||Mark Webber||Red Bull-Renault|
|Second||Sebastian Vettel||Red Bull-Renault|
The 2011 Brazilian Grand Prix (formally the Formula 1 Grande Prêmio Petrobras do Brasil 2011) was a Formula One motor race held on 27 November 2011, at the Autódromo José Carlos Pace, Interlagos, in São Paulo, Brazil. It was the nineteenth and final round of the 2011 Formula One season. The race, contested over 71 laps, was won by Red Bull driver Mark Webber. Sebastian Vettel, Webber's team mate finished in second place to complete Red Bull's third 1–2 of the season; Jenson Button finished in third position, to complete the podium for the McLaren team. It was the last race for veteran and most experienced Formula One driver in history, Rubens Barrichello.
After replacing Jaime Alguersuari during the first Friday practice session in South Korea and Sébastien Buemi during the same session in Abu Dhabi, Formula Renault 3.5 runner-up Jean-Éric Vergne once again drove for Toro Rosso on Friday morning, after a statement announced he would take the place of "whichever of the Toro Rosso drivers has the least points"; Vergne ultimately replaced Buemi. Having completed the sufficient amount of mileage in order to acquire an FIA Super Licence at the Young Driver Test in Abu Dhabi, Jan Charouz took part in first practice for HRT, replacing Vitantonio Liuzzi. Romain Grosjean drove in the place of Vitaly Petrov at Renault, while Luiz Razia replaced Jarno Trulli at Lotus and Nico Hülkenberg drove Adrian Sutil's Force India. With Liuzzi and Trulli on the sidelines, the first practice session became the first time since the 2005 United States Grand Prix that an Italian driver had not taken part in a timed session.
The circuit will include one Drag Reduction System (DRS) zone, located along Reta Oposta. The detection point will be located in the middle of the second corner, with the activation point 70 metres (230 ft) beyond the exit of Curva do Sol, creating a DRS zone of 600 metres (2,000 ft). According to FIA race director Charlie Whiting, Reta Oposta was chosen for the DRS zone because "the main straight usually gives a good enough opportunity to overtake anyway, [and] we don't want to make it too easy [to pass]".
Vettel took pole position, his fifteenth of the season, breaking Nigel Mansell's record from 1992, for the number of pole positions in a season. Webber qualified in second place, just one tenth of a second slower than his Red Bull team-mate. The two McLarens took over the second row of the grid, with Button ahead of Hamilton. Fernando Alonso and Nico Rosberg were on the third row of the grid, separated by half a second. Felipe Massa, Alonso's Ferrari team-mate, qualified seventh ahead of Adrian Sutil, Bruno Senna and Michael Schumacher (who didn't set a time).
Vettel lead the race after the start, but conceded the lead to Webber when his gearbox started causing him trouble. Vettel remained second in the race though, while Webber took his first, and only, win of the season. None of the other teams could match the pace of Red Bull in the race. Button managed to complete the podium with third position after being overtaken by Alonso early on in the race, but repassing him near the end. Alonso eventually finished fourth whilst Hamilton retired with a gearbox issue. Massa completed the year with a fifth place finish. Sutil, Rosberg, di Resta, Kobayashi and Petrov completed the points scoring positions. 
Jenson Button's podium meant that he stayed second in the drivers' championship, while Webber's victory meant he overtook Alonso to become third. Despite both their drivers finishing well inside the points scoring positions, Force India didn't manage to overturn Renault's points total to take fifth place in the standings, and were left just four points behind. Kamui Kobayashi scored two points for Sauber to ensure that they kept seventh place in the standings as well.
|Pos||No||Driver||Constructor||Part 1||Part 2||Part 3||Grid|
|1||1||Sebastian Vettel||Red Bull-Renault||1:13.664||1:12.446||1:11.918||1|
|2||2||Mark Webber||Red Bull-Renault||1:13.467||1:12.658||1:12.099||2|
|8||14||Adrian Sutil||Force India-Mercedes||1:13.480||1:13.261||1:13.298||8|
|10||7||Michael Schumacher||Mercedes||1:13.694||1:13.571||no time||10|
|11||15||Paul di Resta||Force India-Mercedes||1:13.733||1:13.584||11|
|13||19||Jaime Alguersuari||Toro Rosso-Ferrari||1:14.225||1:13.804||13|
|14||18||Sébastien Buemi||Toro Rosso-Ferrari||1:14.500||1:13.919||14|
|107% time: 1:18.410|
Standings after the race 
- Note: Only the top five positions are included for both sets of standings.
- "FORMULA 1 GRANDE PRÊMIO PETROBRAS DO BRASIL 2011 (Race)". Formula1.com (Formula One Group). 27 November 2011. Retrieved 31 March 2012.
- Beer, Matt (12 October 2011). "Toro Rosso to run Jean-Eric Vergne in Friday practice at three grands prix". Autosport (Haymarket Publications). Retrieved 19 October 2011.
- "Webber fastest for Red Bull at Interlagos". Formula1.com (Formula One Administration). 25 November 2011. Retrieved 25 November 2011.
- Elizalde, Pablo (24 November 2011). "Jan Charouz to drive for HRT during first practice for the Brazilian Grand Prix". Autosport (Haymarket Publications). Retrieved 24 November 2011.
- Elizalde, Pablo (23 November 2011). "Single DRS zone for the Brazilian Grand Prix". Autosport (Haymarket Publications). Retrieved 24 November 2011.
- "Team to race new soft compound from Pirelli in Brazilian Grand Prix". Autosport (Haymarket Publications). 21 November 2011. Retrieved 23 November 2011.
- "World Motor Sport Council: 03/11/2010". fia.com (Fédération Internationale de l'Automobile). 3 November 2010. Retrieved 21 May 2011.
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2012 Brazilian Grand Prix