| 1 |
Group N cars up to and including 2000cc. |
| 2 |
Group N cars over 2000cc. |
| 3 |
Clubman cars up to and including 1450cc. 2 wheel drive only. |
| 4 |
Clubman cars from 1451cc up to and including 1650cc not having more than 2 valves per cylinder. 2 wheel drive only. |
| 5 |
Clubman cars from 1451cc up to and including 1650cc having more than 2 valves per cylinder. 2 wheel drive only. |
| 6 |
Clubman cars from 1651cc up to and including 2100cc not having more than 2 valves per cylinder. 2 wheel drive only. |
| 7 |
Clubman cars from 1651cc up to and including 2100cc having more than 2 valves per cylinder. 2 wheel drive only. |
| 8 |
Clubman cars over 2100cc. 2 wheel drive only. |
| 9 |
All other eligible cars including WRCs and FIA Super 2000 cars. |
| B1 |
Historic Rally Cars from 1/1/1960 to 31/12/1967 up to 1000cc |
| B2 |
Historic Rally Cars from 1/1/1960 to 31/12/1967 over 1000cc up to 1300cc |
| B3 |
Historic Rally Cars from 1/1/1960 to 31/12/1967 over 1300cc up to 1600cc |
| B4 |
Historic Rally Cars from 1/1/1960 to 31/12/1967 over 1600cc up to 2000cc (excluding Porsche 911 and 912) |
| B5 |
Historic Rally Cars from 1/1/1960 to 31/12/1967 including Porsche 911 and 912 |
| B6 |
Historic Rally Cars from 1/1/1960 to 31/12/1967 over 2000cc |
| C1 |
Post Historic Rally Cars from 1/1/1968 to 31/12/1974 up to 1600cc |
| C2 |
Post Historic Rally Cars from 1/1/1968 to 31/12/1974 over 1600cc |
| D1 |
Classic Cars from 1/1/1975 to 31/12/1981 up to 1300cc |
| D2 |
Classic Cars from 1/1/1975 to 31/12/1981 over 1300cc up to 1600cc |
| D3 |
Classic Cars from 1/1/1975 to 31/12/1981 over 1600cc up to 2000cc |
| D4 |
Classic Cars from 1/1/1975 to 31/12/1981 over 2000cc |
| D5 |
Other Classic Cars from 1/1/1975 to 31/12/1981 |
| L |
Cars of the type manufactured on or before 31 December 1989. |