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In internationalmotorsport,Group 1 referred toFIA regulations for cars intouring car racing andrallying. Throughout its existence the group retained a definition of being standard,series productiontouring cars, and of having a character of being unmodified or not specifically prepared for racing. The class was introduced in the then new Appendix J of theInternational Sporting Code in 1954 and was replaced byGroup N in 1982.[1][2]
From its inception in 1954 until 1965, Group 1, officially documented at first asthe first group, was included in Category I (or A), Touring Cars, with a production requirement of between 600 and 1000 cars in a 12 month period.[2] The two categories had up to six groups in this time era, but not consistently or retaining the same definitions.
In 1966 the FIA categories were restructured and Group 1 were placed in Category A, Production Cars, with Category B and C used for Sports and Racing cars respectively. Group 1 essentially remained the same in character but with a heightened production requirement of 5000 cars.[3] In 1982 the numbered groups were replaced by Groups N, A, B, C, D and E.
| Categories | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I. Touring | A. Touring | |||||||||||
| II. Sports | II. Grand Touring | B. Grand Touring | ||||||||||
| - | C. Sports | |||||||||||
| Group | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 |
| Group 1 | Normal series production | |||||||||||
| Group 2 | "Grand Touring" series prod | Modified series prod | Modified series prod | |||||||||
| Group 3 | Special series production | Grand Touring Cars | ||||||||||
| Group 4 | Series production | Normal GT series prod | Sports Car | |||||||||
| Group 5 | International | Modified GT series prod | - | |||||||||
| Group 6 | - | GT specials | - | |||||||||
| Source:[4][1] | ||||||||||||
| Categories | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A. Production | ||||||||||||||||
| B. Special | B. Experimental Competition | B. Racing Cars | ||||||||||||||
| C. Racing Cars | - | |||||||||||||||
| Group | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 |
| Group 1 | Series Touring (5000) | |||||||||||||||
| Group 2 | Touring (1000) | Special Touring (1000) | ||||||||||||||
| Group 3 | Grand Touring (500) | Series Grand Touring (1000) | ||||||||||||||
| Group 4 | Sportscars (50/25) | Special Grand Touring (500) | Grand Touring (400) | |||||||||||||
| Group 5 | Special Touring Cars | Sports cars (50) | Sports cars | Special cars derived from Groups 1-4 | ||||||||||||
| Group 6 | Prototype sportscars | - | Two-seater racecars | |||||||||||||
| Group 7 | Two-seater racecars | International formula | ||||||||||||||
| Group 8 | Formula racing cars | International formula | Formula libre racing cars | |||||||||||||
| Group 9 | Formula libre racing cars | - | ||||||||||||||
| Source:[4][1] Note:Special may be replaced withCompetition in some official documents. | ||||||||||||||||
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