| 1 | 1991 | San Marino | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 18 | 11 | |
| 1991 | San Marino | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 23 | 8 | |
| 2 | 1991 | Monaco | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | | exc | Inosservanza di un controllo |
| 1991 | Monaco | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 22 | ab | Incidente |
| 3 | 1991 | Canada | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 20 | ab | Motore |
| 1991 | Canada | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | | nq | |
| 4 | 1991 | Messico | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 17 | ab | Perdita di una ruota |
| 1991 | Messico | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 12 | ab | Motore |
| 5 | 1991 | Francia | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 24 | ab | Cambio |
| 1991 | Francia | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 17 | ab | Incidente |
| 6 | 1991 | Gran Bretagna | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 14 | ab | Acceleratore |
| 1991 | Gran Bretagna | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 12 | ab | Motore |
| 7 | 1991 | Germania | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 15 | 11 | |
| 1991 | Germania | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 21 | 12 | |
| 8 | 1991 | Ungheria | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 10 | ab | Problema fisico del pilota |
| 1991 | Ungheria | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 20 | ab | Testacoda |
| 9 | 1991 | Belgio | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 16 | 9 | |
| 1991 | Belgio | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 13 | 6 | |
| 10 | 1991 | Italia | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 19 | 13 | |
| 1991 | Italia | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 11 | 12 | |
| 11 | 1991 | Portogallo | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 19 | 12 | |
| 1991 | Portogallo | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 15 | ab | Sospensione |
| 12 | 1991 | Spagna | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 11 | 10 | |
| 1991 | Spagna | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 12 | ab | Motore |
| 13 | 1991 | Giappone | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | 19 | 5 | |
| 1991 | Giappone | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | | npq | |
| 14 | 1991 | Australia | Motor Racing Developments Ltd | 7 | BRUNDLE Martin | Yamaha OX99 V12 | Pirelli | | nq | |
| 1991 | Australia | Motor Racing Developments Ltd | 8 | BLUNDELL Mark | Yamaha OX99 V12 | Pirelli | 17 | 17 | |