The car was fitted with Simca Type 315 petrol OHV "Poissy engines" with 944, 1118, and 1294 cc variants, depending on year and market. A "stroked" 1118 cc engine displacing 1.2 litres was introduced in 1971 to the UK market as the Simca 1204. It was also sold in the US in limited quantities. In 1974, the sporty TI appeared with the 1294 cc engine (82 PS), at the time when the car also saw a cosmetic redesign. Based on the 1100 chassis, the Matra engineering firm created a crossover derivation named Matra Rancho.