Garantie Mutuelle des Fonctionnaires S.A. (Département Automobiles) was a French venture based in Lognes, Torcy, associated with a pension fund group seeking to enter the sports car market. The company's single product, the G.M.F.S.A. SL, was launched at the 1986 Paris Salon. It was engineered by Michel Landois of S.O.V.R.A. and made use of the complete steel centre body section from the Matra Murena, fitted into a specially designed steel…