| Hint | |
| N. Former Japanese driver | |
| O. Former British driver | |
| P. Current Renault driver | |
| Q. Former Austrian driver | |
| R. Austrian constructor based in Britain | |
| S. 7 time world champion | |
| T. Austrian constructor based in Italy | |
| U. Former American driver | |
| V. Current world champion | |
| W. British constructor | |
| Y. Former Japanese driver | |
| Z. Former German constructor | |