1991 Formula One World Championship

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

|Entrant|Constructor|Chassis|Engine|Tyre|No|Driver|Rounds|||
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|rowspan="2"|Honda Marlboro McLaren|||||||||
|rowspan="2"|MP4/6|rowspan="2"|Honda RA121E 3.5 V12|rowspan="2"||1|Ayrton Senna|All||
|2|Gerhard Berger|All||||||||
|rowspan="2"|Braun Tyrrell Honda|||||||||
|rowspan="2"|020|rowspan="2"|Honda RA101E 3.5 V10|rowspan="2"||3|Satoru Nakajima|All||
|4|Stefano Modena|All||||||||
|rowspan="2"|Canon Williams Team|||||||||
|rowspan="2"|FW14|rowspan="2"|Renault RS3 3.5 V10|rowspan="2"||5|Nigel Mansell|All||
|6|Riccardo Patrese|All||||||||
|rowspan="2"|Motor Racing Developments|||||||||
|rowspan="2"|BT59YBT60Y|rowspan="2"|Yamaha OX99 3.5 V12|rowspan="2"||7|Martin Brundle|All||
|8|Mark Blundell|All||||||||
|rowspan="6"|Footwork Grand Prix International|||||||||
|rowspan="3"|A11CFA12|rowspan="3"|Porsche 3512 3.5 V12|rowspan="6"||9|Michele Alboreto|1–6||
|rowspan="2"|10|Alex Caffi|1–4|||||||
|Stefan Johansson|5–6|||||||||
|rowspan="3"|FA12C|rowspan="3"||9|Michele Alboreto|7–16||||
|rowspan="2"|10|Stefan Johansson|7–8|||||||
|Alex Caffi|9–16|||||||||
|rowspan="4"|Team Lotus|||||||||
|rowspan="4"|102B|rowspan="4"|Judd EV 3.5 V8|rowspan="4"||11|Mika Häkkinen|All||
|rowspan="3"|12|Julian Bailey|1–4|||||||
|Johnny Herbert||||||||||
|Michael Bartels|9–10, 12, 14|||||||||
|rowspan="2"|Fondmetal|||||||||
|rowspan="2"|FA1M-EFomet-1|rowspan="2"|Ford Cosworth DFR 3.5 V8|rowspan="2"||rowspan="2"|14|Olivier Grouillard|1–13|
|Gabriele Tarquini|14–16|||||||||
|rowspan="3"|Leyton House Racing|||||||||
|rowspan="3"|CG911|rowspan="3"|Ilmor 2175A 3.5 V10|rowspan="3"||15|Maurício Gugelmin|All||
|rowspan="2"|16|Ivan Capelli|1–14|||||||
|Karl Wendlinger|15–16|||||||||
|rowspan="4"|Automobiles Gonfaronnaises Sportives|||||||||
|rowspan="4"|JH25JH25BJH27|rowspan="4"|Ford Cosworth DFR 3.5 V8|rowspan="4"||rowspan="2"|17|Gabriele Tarquini|1–13|
|Olivier Grouillard|14|||||||||
|rowspan="2"|18|Stefan Johansson|1–2|||||||
|Fabrizio Barbazza|3–14|||||||||
|rowspan="3"|Camel Benetton Ford|||||||||
|rowspan="3"|B190BB191|rowspan="3"|Ford HBA4 3.5 V8 Ford HBA5 3.5 V8|rowspan="3"||rowspan="2"|19|Roberto Moreno|1–11|
||12–16|||||||||
|20|Nelson Piquet|All||||||||
|rowspan="2"|Scuderia Italia|||||||||
|rowspan="2"|F191|rowspan="2"|Judd GV 3.5 V10|rowspan="2"||21|Emanuele Pirro|All||
|22|JJ Lehto|All||||||||
|rowspan="3"|Minardi Team|||||||||
|rowspan="3"|M191|rowspan="3"|Ferrari 037 3.5 V12|rowspan="3"||23|Pierluigi Martini|All||
|rowspan="2"|24|Gianni Morbidelli|1–15|||||||
|Roberto Moreno|16|||||||||
|rowspan="2"|Equipe Ligier Gitanes|||||||||
|rowspan="2"|JS35JS35B|rowspan="2"|Lamborghini 3512 3.5 V12|rowspan="2"||25|Thierry Boutsen|All||
|26|Érik Comas|All||||||||
|rowspan="3"|Scuderia Ferrari|||||||||
|rowspan="3"|642642/2643|rowspan="3"|Ferrari 037 3.5 V12|rowspan="3"||rowspan="2"|27|Alain Prost|1–15|
|Gianni Morbidelli|16|||||||||
|28|Jean Alesi|All||||||||
|rowspan="3"|Larrousse F1|||||||||
|rowspan="3"|LC91|rowspan="3"|Ford Cosworth DFR 3.5 V8|rowspan="3"||rowspan="2"|29|Éric Bernard|1–15|
|Bertrand Gachot|16|||||||||
|30|Aguri Suzuki|All||||||||
|rowspan="2"|Coloni Racing|||||||||
|rowspan="2"|C4|rowspan="2"|Ford Cosworth DFR 3.5 V8|rowspan="2"||rowspan="2"|31|Pedro Chaves|1–13|
|Naoki Hattori|15–16|||||||||
|rowspan="5"|Team 7Up Jordan|||||||||
|rowspan="5"|191|rowspan="5"|Ford HBA4 3.5 V8|rowspan="5"||rowspan="4"|32|Bertrand Gachot|1–10|
|Michael Schumacher|11|||||||||
|Roberto Moreno|12–13|||||||||
|Alessandro Zanardi|14–16|||||||||
|33|Andrea de Cesaris|All||||||||
|rowspan="2"|Modena Team|||||||||
|rowspan="2"|291|rowspan="2"|Lamborghini 3512 3.5 V12|rowspan="2"||34|Nicola Larini|All||
|35|Eric van de Poele|All||||||||