Below is a list of all version of the X1/9 produced during its lifetime.
Standard UK Versions
Fiat X1/9 1300 Special Series (1977-1978)
Bertone X1/9 1500 IN (1982)
Bertone X1/9 1500 VS (1983-1987)
Bertone X1/9 1500 (1986-1988)
Bertone X1/9 1500 Special Edition (1988)
Bertone X1/9 1500 Gran Finale (1989)
International Versions
Fiat X1/9 1300 (1972-1974)
Fiat X1/9 1300 (1975-1978)
Fiat X1/9 1300 Corsa (1975)
Fiat X1/9 1300 - US market (1976-1978)
Fiat X1/9 1300 Exclusive Series (1977-1978)
Bertone X1/9 1500 LTD (1982)
Bertone X1/9 1500 Sunshine (1986)
Modified Versions
Eurosport X1/9
Faran Eliminator X1/9
Schult X1/9
Abarth X1/9
Dallara X1/9