In international motorsport, Group 1 referred to FIA regulations for cars in touring car racing and rallying. Throughout its existence the group retained a definition of being standard, series product
The Alfasud TI Group 1 of Alfa Romeo at the 1974 Rallye Sanremo
Daihatsu Charade Safari Rally Group 1 (1982)
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 fro
Group 1 (motorsport)
…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: Categories and Groups of Appendix J 1966 - 1981 (Production requirement…
Group 5 Porsche 917 competing in the 1970 International Championship for Makes
Group 5 Ferrari 312PB competing in the 1972 World Championship for Makes
A Lancia Beta Montecarlo contesting the 1980 World Championship for Makes in the Group 5 category.