Chapron is inseparable from the history of the SM with the 1972 Opera four-door sedan. But we forgot that another more classic sedan had to be produced by the bodybuilder…. In 1970, in Citroën’s design offices, the project for a four-door SM sedan was taken to the full-scale model stage. … Continue reading ENGLISH – 2020: the SM is 50 years old – The unknown Chapron sedan