Siata was an Italian tuning shop turned automaker founded in 1926 by amateur racecar driver Giorgio Ambrosini.

Siata initially sold performance parts to modify and tune cars manufactured by Fiat

Fiat

FIAT, an acronym for Fabbrica Italiana Automobili Torino , is an Italian automobile manufacturer, engine manufacturer, financial, and industrial group based in Turin in the Italian region of Piedmont. Fiat was founded in 1899 by a group of investors including Giovanni Agnelli...

. After World War II, the company began making its own sports cars under the Siata brand until its eventual bankruptcy following the first arab oil embargo

1973 oil crisis

The 1973 oil crisis started in October 1973, when the members of Organization of Arab Petroleum Exporting Countries or the OAPEC proclaimed an oil embargo. This was "in response to the U.S. decision to re-supply the Israeli military" during the Yom Kippur war. It lasted until March 1974. With the...

 in the mid 1970s.
Production of the Siata's first wholly original design the Siata Amica began in 1948 and continued through 1952.