The car appeared in October 1955. It was produced at the Standard Motor Company in the United Kingdom which produced 13,377 cars. Only 1,286 cars will be for the UK market, the rest of the production will be exported to the US market. In 2002, 893 TR3 / TR3 A were registered in the UK. Its original price was £ 950. Although it was originally a two-seater convertible, a third seat and a hard top were available as an option.
It enabled Annie Soisbault to win the Rallye Paris - Saint-Raphaël Féminin in 1959.