| 1 | 1984 | Britain | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 16 | ab | Water pump |
| 1984 | Britain | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 5 | ab | Engine |
| 2 | 1984 | Germany | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 12 | ab | Engine |
| 1984 | Germany | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 19 | ab | Electrics |
| 3 | 1984 | Austria | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 11 | ab | Engine |
| 1984 | Austria | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 9 | ab | Handling |
| 4 | 1984 | Netherlands | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 8 | ab | Engine |
| 1984 | Netherlands | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 7 | 8 | Out of fuel |
| 5 | 1984 | Italy | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 13 | ab | Turbo |
| 1984 | Italy | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 6 | ab | Engine |
| 6 | 1984 | Europe | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 14 | ab | Engine |
| 1984 | Europe | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 4 | ab | Pile-up |
| 7 | 1984 | Portugal | Williams Grand Prix Engineering | 5 | LAFFITE Jacques | Honda RA163E V6 t | Goodyear | 15 | 14 | |
| 1984 | Portugal | Williams Grand Prix Engineering | 6 | ROSBERG Keke | Honda RA163E V6 t | Goodyear | 4 | ab | Engine |