The Group 1 racing class referred to regulations for cars in touring car racing and rallying, as regulated by the FIA. The Group 1 class was replaced by Group N in the 1980s.
Requirements
For 1969, Appendix J of the FIA International Sporting Code defined groups for Touring cars, Grand Touring cars, and Sports cars as follows: (numbers between brackets are required minimum production in 12 consecutive months).
References
Group 1 (racing) Wikipedia(Text) CC BY-SA