1991 Formula One World Championship

sports season
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The 1991 Formula One season was the 42nd edition of the championship. The champion was Ayrton Senna. McLaren won the constructors championship.

Drivers and constructors change

Entrant Constructor Chassis Engine Tyre No Driver Rounds
  Honda Marlboro McLaren McLaren-Honda MP4/6 Honda RA121E 3.5 V12 G 1   Ayrton Senna All
2   Gerhard Berger All
  Braun Tyrrell Honda Tyrrell-Honda 020 Honda RA101E 3.5 V10 P 3   Satoru Nakajima All
4   Stefano Modena All
  Canon Williams Team Williams-Renault FW14 Renault RS3 3.5 V10 G 5   Nigel Mansell All
6   Riccardo Patrese All
  Motor Racing Developments Brabham-Yamaha BT59YBT60Y Yamaha OX99 3.5 V12 P 7   Martin Brundle All
8   Mark Blundell All
  Footwork Grand Prix International Footwork-Porsche A11CFA12 Porsche 3512 3.5 V12 G 9   Michele Alboreto 1–6
10   Alex Caffi 1–4
  Stefan Johansson 5–6
Footwork-Ford FA12C Ford Cosworth DFR 3.5 V8 9   Michele Alboreto 7–16
10   Stefan Johansson 7–8
  Alex Caffi 9–16
  Team Lotus Lotus-Judd 102B Judd EV 3.5 V8 G 11   Mika Häkkinen All
12   Julian Bailey 1–4
  Johnny Herbert 5–8, 11, 13, 15–16
  Michael Bartels 9–10, 12, 14
  Fondmetal Fondmetal-Ford FA1M-EFomet-1 Ford Cosworth DFR 3.5 V8 G 14   Olivier Grouillard 1–13
  Gabriele Tarquini 14–16
  Leyton House Racing Leyton House-Ilmor CG911 Ilmor 2175A 3.5 V10 G 15   Maurício Gugelmin All
16   Ivan Capelli 1–14
  Karl Wendlinger 15–16
  Automobiles Gonfaronnaises Sportives AGS-Ford JH25JH25BJH27 Ford Cosworth DFR 3.5 V8 G 17   Gabriele Tarquini 1–13
  Olivier Grouillard 14
18   Stefan Johansson 1–2
  Fabrizio Barbazza 3–14
  Camel Benetton Ford Benetton-Ford B190BB191 Ford HBA4 3.5 V8

Ford HBA5 3.5 V8

P 19   Roberto Moreno 1–11
  Michael Schumacher 12–16
20   Nelson Piquet All
  Scuderia Italia Dallara-Judd F191 Judd GV 3.5 V10 P 21   Emanuele Pirro All
22   JJ Lehto All
  Minardi Team Minardi-Ferrari M191 Ferrari 037 3.5 V12 G 23   Pierluigi Martini All
24   Gianni Morbidelli 1–15
  Roberto Moreno 16
  Equipe Ligier Gitanes Ligier-Lamborghini JS35JS35B Lamborghini 3512 3.5 V12 G 25   Thierry Boutsen All
26   Érik Comas All
  Scuderia Ferrari Ferrari 642642/2643 Ferrari 037 3.5 V12 G 27   Alain Prost 1–15
  Gianni Morbidelli 16
28   Jean Alesi All
  Larrousse F1 Lola-Ford LC91 Ford Cosworth DFR 3.5 V8 G 29   Éric Bernard 1–15
  Bertrand Gachot 16
30   Aguri Suzuki All
  Coloni Racing Coloni-Ford C4 Ford Cosworth DFR 3.5 V8 G 31   Pedro Chaves 1–13
  Naoki Hattori 15–16
  Team 7Up Jordan Jordan-Ford 191 Ford HBA4 3.5 V8 G 32   Bertrand Gachot 1–10
  Michael Schumacher 11
  Roberto Moreno 12–13
  Alessandro Zanardi 14–16
33   Andrea de Cesaris All
  Modena Team Lambo-Lamborghini 291 Lamborghini 3512 3.5 V12 G 34   Nicola Larini All
35   Eric van de Poele All