|
| Full Name |
Abrev. Name |
Years |
Notes |
| American Sedan |
AMS |
1995-2025 |
The American Sedan class started in 1995 and is not to be confused with A-Sedan (AS) from previous years. This class uses the designation "AS" on the side of the car. |
| A Production |
AP |
1964-1978 |
Combined into GT1 in 1979
|
| A-Sedan |
AS |
1966-1994 |
Combined into GT1 in 1980. Not to be confused with American Sedan (1995-)
|
| A Sports Racing |
ASR |
1968-1984 |
|
| B-Spec |
B-Spec |
2013-2025 |
|
| B Production |
BP |
1964-1980 |
Combined into GT1 in 1980
|
| B Sedan |
BS |
1966-1979 |
Combined into GT2 and GT3 in 1980
|
| B Sports Racing |
BSR |
1968-1978 |
Combined into P1 and P2 in 2014
|
| C Modified |
CM |
1964-1965 |
Combined into ASR in 1965
|
| C Production |
CP |
1964-1982 |
Combined into GT2 in 1983
|
| C Sedan |
CS |
1966-1979 |
Combined into GT4 in 1980
|
| C Sports Racing |
CSR |
1966-2013 |
|
| D Modified |
DM |
1964-1965 |
|
| D Production |
DP |
1964-1983 |
|
| D Sedan |
DS |
1966-1971 |
Combined into GT4 in 1980
|
| D Sports Racing |
DSR |
1966-2013 |
|
| E Modified |
EM |
1964-1965 |
Combined into BSR in 1965
|
| E Production |
EP |
1964-2025 |
|
| E Sports Racing
|
ESR |
1966-1967 |
|
| Formula 1000 |
F1000 |
2010-2019 |
Combined into FATL in 2020 |
| Formula 440 |
F440 |
1984-1996 |
|
| Formula 500 |
F500 |
1997-2022 |
|
| Formula 600 |
F600 |
2023-2024 |
|
| Formula A |
FA |
1966-1978 |
Not to be confused with Formula Atlantic (1979-)
|
| Formula Atlantic |
FATL |
1979-2025 |
Renamed from Formula B in 1979. Not to be confused with Formula A (1966-1978)
|
| Formula B |
FB |
1965-1978 |
|
| Formula C |
FC |
1965-1978 |
Combined into Formula Continental
|
| Formula Continental |
FCONT |
1979-2025 |
Formula Continental uses FC as a class designation on the side of the car and is not to be confused with the Formula C class from 1965-1978. |
| Formula Enterprises |
FE |
2008-2019 |
|
| Formula Enterprises 2 |
FE2 |
2018-2025 |
|
| Formula F |
FF |
1969-2025 |
|
| Formula Junior
|
FJR |
1964-1964 |
|
| Formula Libre
|
FLIBRE |
1964-1964 |
|
| Formula Mazda |
FM |
1964-2019 |
Combined into FX in 2020 |
| F Modified |
FMod |
1965-1965 |
Combined into BSR in 1966
|
| F Production |
FP |
1964-2025 |
|
| F Sports Racing
|
FSR |
1966-1967 |
|
| Formula Super Vee
|
FSV |
1970-1978 |
Combined into FC in 1979
|
| Formula Vee |
FV |
1964-2025 |
|
| Formula X |
FX |
2020-2022 |
|
| G Modified
|
GM |
1964-1965 |
Combined into CSR in 1966
|
| G Production |
GP |
1964-2007 |
Combined into FP and HP in 2008
|
| G Sports Racing
|
GSR |
1966-1967 |
|
| Grand Touring 1 |
GT1 |
1980-2025 |
|
| Grand Touring 2 |
GT2 |
1980-2025 |
|
| Grand Touring 3 |
GT3 |
1980-2024 |
|
| Grand Touring 3 Under |
GT3U |
2025-2025 |
|
| Grand Touring 4 |
GT4 |
1980-2004 |
Combined into GTL in 2005
|
| Grand Touring 5 |
GT5 |
1983-2004 |
Combined into GTL in 2005
|
| Grand Touring Lite |
GTL |
2005-2024 |
GT4 and GT5 were combined into GTL in 2005
|
| H Modified |
HM |
1964-1965 |
|
| H Production |
HP |
1964-2025 |
|
| H Sports Racing |
HSR |
1966-1967 |
|
| Prototype |
P |
2025-2025 |
|
| Prototype 1 |
P1 |
2014-2024 |
|
| Prototype 2 |
P2 |
2014-2024 |
|
| S2000 |
S2000 |
1980-2013 |
|
| Shelby Can Am
|
SCA |
1991-1996 |
|
| Spec Miata |
SM |
2006-2025 |
|
| Spec Miata Challenge |
SMX |
2024-2025 |
|
| Spec Racer
|
SR |
1989-1996 |
|
| Spec Renault |
SREN |
1985-1988 |
|
| Spec Racer Ford |
SRF |
1993-2017 |
|
| Spec Racer Ford Gen 3 |
SRF3 |
2015-2025 |
|
| Showroom Stock A |
SSA |
1977-1997 |
Combined into T2 in 1998
|
| Showroom Stock B |
SSB |
1977-2012 |
Combined into T4 in 2013
|
| Showroom Stock C |
SSC |
1977-2012 |
Combined into T4 in 2013
|
| Showroom Stock GT |
SSGT |
1983-1995 |
Combined into T1 in 1996
|
| Super Touring Lite |
STL |
2012-2025 |
|
| Super Touring Over |
STO |
2010-2012 |
Combined into GT2 in 2013
|
| Super Touring Under |
STU |
2010-2025 |
|
| Touring 1 |
T1 |
1996-2025 |
Original Touring 1 class became Touring 1 in 1998 with re-introduction of Touring 1
|
| Touring 2 |
T2 |
1998-2025 |
Was Touring 1 in 1996-1997
|
| Touring 3 |
T3 |
2006-2025 |
|
| Touring 4 |
T4 |
2013-2025 |
|
