The Group 1 racing class referred to regulations for cars in touring car racing and rallying, as regulated by the FIA

Fédération Internationale de l'Automobile

The Fédération Internationale de l'Automobile is a non-profit association established as the Association Internationale des Automobile Clubs Reconnus on 20 June 1904 to represent the interests of motoring organisations and motor car users...

. The Group 1 class was replaced by Group N

Group N

In relation to motorsport governed by the FIA, Group N refers to a set of regulations providing 'standard' production vehicles for competition, often referred to as the "Showroom Class"....

 in the 1980s.

For 1969, Appendix J of the FIA International Sporting Code defined groups for Touring cars

Touring car racing

Touring car racing is a general term for a number of distinct auto racing competitions in heavily-modified street cars. It is notably popular in Argentina, Australia, Brazil, Germany, Japan, Scandinavia and Britain.-Characteristics of a touring car:...

, Grand Touring cars and Sports car

Sports car

A sports car is a small, usually two seat, two door automobile designed for high speed driving and maneuverability....

s as follows: (numbers between brackets are required minimum production in 12 consecutive months).

• Group 1: series-production touring cars (5,000)
• Group 2: touring cars (1,000)
  Group 2 (racing)
  The Group 2 racing class referred to regulations for cars in touring car racing and rallying, as regulated by the FIA. Group 2 was replaced by Group A in 1982....
  
  
• Group 3: grand touring cars (500)
  Group 3 (racing)
  The Group 3 racing class referred to a set of regulations for Grand Touring Cars competing in sportscar racing and rallying events regulated by the FIA. These regulations were active, in various forms, from 1957 to 1981-1957 to 1965:...
  
  
• Group 4: sports cars (25)
  Group 4 (racing)
  The Group 4 racing class referred to regulations for cars in sportscar racing, GT racing and rallying, as regulated by the FIA. The Group 4 class was replaced by Group B for the 1983 season.-Production requirements:...
  
  
• Group 5: special touring cars
  Group 5 (racing)
  Group 5 was an FIA motor racing classification which was applied to four distinct categories during the years 1966 to 1982. Initially Group 5 regulations defined a Special Touring Car category and from 1970 to 1971 the classification was applied to limited production Sports Cars restricted to 5...
  
  
• Group 6: prototype-sports cars
  Group 6 (racing)
  Group 6 was the official designation applied by the FIA to two motor racing classifications, the Prototype-Sports Car category from 1966 to 1971 and the Two-Seater Racing Cars class from 1976 to 1982.-Group 6 Prototype-Sports Cars :...