Gran Premio di San Marino 1991
FIA Formula One World Championship round 03, San Marino, 26 - 28 April 1991
Gran Premio di San Marino 1991
Friday 26 - Sunday 28 April 1991
FIA Formula One World Championship
Entries
| No. | Car | Entrants |
|---|---|---|
| 1 | McLaren MP4/6 chassis 5 • Honda RA121E 3.5 V12 | McLaren MP4/6 
Ayrton Senna da Silva
Honda Marlboro McLaren |
| 2 | McLaren MP4/6 chassis 6 • Honda RA121E 3.5 V12 | McLaren MP4/6 
Gerhard Berger
Honda Marlboro McLaren |
| 3 | McLaren 020 chassis 2 • Honda RA101E 3.5 V12 | McLaren 020 
Satoru Nakajima
Braun Tyrrell Honda |
| 4 | Tyrrell 020 chassis 5 • Honda RA101E 3.5 V10 | Tyrrell 020 
Stefano Modena
Braun Tyrrell Honda |
| 5 | Williams FW14 chassis 2 • Renault RS3 3.5 V10 | Williams FW14
Nigel Mansell
Canon Williams Team |
| 6 | Williams FW14 chassis 4 • Renault RS3 3.5 V10 | Williams FW14
Riccardo Patrese
Canon Williams Team |
| 7 | Brabham BT60Y chassis 1 • Yamaha OX99 3.5 V10 | Brabham BT60Y
Martin Brundle
Motor Racing Developments Ltd. |
| 8 | Brabham BT60Y chassis 2 • Yamaha OX99 3.5 V10 | Brabham BT60Y
Mark Blundell
Motor Racing Developments Ltd. |
| 9 | Footwork FA11C chassis 2 • Ford-Cosworth DFR 3.5 V8 | Footwork FA11C
Michele Alboreto
Footwork Grand Prix International |
| 10 | Footwork FA12 chassis 2 • Porsche 3512 3.5 V12 | Footwork FA12
Alex Caffi
Footwork Grand Prix International |
| 11 | Lotus 102B chassis 3 • Judd EV 3.5 V8 | Lotus 102B 
Mika Häkkinen
Team Lotus |
| 12 | Lotus 102B chassis 2 • Judd EV 3.5 V8 | Lotus 102B
Julian Bailey
Team Lotus |
| 14 | Fondmetal Fomet-1 chassis 1 • Ford DFR 3.5 V8 | Fondmetal Fomet-1 
Olivier Grouillard
Fondmetal F1 SpA |
| 15 | Leyton House CG911 chassis 2 • Ilmor 2175A V10 | Leyton House CG911
Mauricio Gugelmin
Leyton House Racing |
| 16 | Leyton House CG911 chassis 4 • Ilmor 2175A V10 | Leyton House CG911
Ivan Capelli
Leyton House Racing |
| 17 | AGS JH25 chassis 43 • Ford DFR 3.5 V8 | AGS JH25
Gabriele Tarquini
Automobiles Gonfaronaise Sportive |
| 18 | AGS JH25 chassis 42 • Ford DFR 3.5 V8 | AGS JH25
Fabrizio Barbazza
Automobiles Gonfaronaise Sportive |
| 19 | Benetton Formula B191 formula 1 chassis 1 • Ford HB5 3.5 V8 | Benetton Formula B191 formula 1
Roberto Moreno
Camel Benetton Ford |
| 20 | Benetton Formula B191 formula 1 chassis 2 • Ford HB5 3.5 V8 | Benetton Formula B191 formula 1
Nelson Piquet
Camel Benetton Ford |
| 21 | Dallara 191 chassis 19 • Judd GV 3.5 V10 | Dallara 191
Emanuele Pirro
Scuderia Italia SpA |
| 22 | Dallara 191 chassis 20 • Judd GV 3.5 V10 | Dallara 191
J.J. Lehto
Scuderia Italia SpA |
| 23 | Minardi M191 chassis 5 • Ferrari 037 3.5 V12 | Minardi M191
Pierluigi Martini
Minardi F1 |
| 24 | Minardi M191 chassis 4 • Ferrari 037 3.5 V12 | Minardi M191
Gianni Morbidelli
Minardi F1 |
| 25 | Ligier JS35 chassis 2 • Lamborghini 3512 3.5 V12 | Ligier JS35 
Thierry Boutsen
Ligier Gitanes |
| 26 | Ligier JS35 chassis 5 • Lamborghini 3512 3.5 V12 | Ligier JS35
Erik Comas
Ligier Gitanes |
| 27 | 1991 Ferrari 642 formula one chassis 124 • MONOPOSTO • Ferrari 037 (291) 3.499cc 65° V12 | 1991 Ferrari 642 formula one
Alain Prost
Scuderia Ferrari SpA |
| 28 | 1991 Ferrari 642 formula one chassis 123 • MONOPOSTO • Ferrari 037 (291) 3.499cc 65° V12 | 1991 Ferrari 642 formula one
Jean Alesi
Scuderia Ferrari SpA |
| 29 | Lola L91 chassis 2 • Ford DFR V8 | Lola L91
Eric Bernard
Larrousse F1 |
| 30 | Lola L91 chassis 1 • Ford DFR V8 | Lola L91
Aguri Suzuki
Larrousse F1 |
| 31 | Coloni C4 chassis 1 • Ford DFR V8 | Coloni C4 
Pedro Chaves
Coloni Racing Srl |
| 32 | Jordan 191 chassis 4 • Ford HB4 V8 | Jordan 191
Bertrand Gachot
Team 7UP Jordan |
| 33 | Jordan 191 chassis 3 • Ford HB4 V8 | Jordan 191
Andrea De Cesaris
Team 7UP Jordan |
| 34 | Lamborghini 291 chassis 3 • Lamborghini 3512 V12 | Lamborghini 291
Nicola Larini
Modena Team SpA |
| 35 | Lamborghini 291 chassis 5 • Lamborghini 3512 V12 | Lamborghini 291
Eric Van de Poele
Modena Team SpA |