| 1 |
All cars registered before 1941 |
| 2 |
All Minis and Mini derivatives first registered up to and before 01/01/1975 |
| 3 |
Saloon cars first registered between 01/01/1941 and 31/12/1967 inclusive |
| 4 |
Sports cars first registered between 01/01/1941 and 31/12/1967 inclusive |
| 5 |
Other Saloons first registered between 01/01/1968 and 31/12/1974 inclusive |
| 6 |
Other Sports first registered between 01/01/1968 and 31/12/1974 inclusive |
| 7 |
All other cars of a model in production between 01/01/1975 and 31/12/1981 |