Developments
For the 1979 model year, Peugeot launched a special 104 ZS 2 version, built in only 1,000 units from January to March, in order to be approved for Group 2. Marketed at 38,000 francs, compared with 28,100 francs for the 104 ZS version, this model was only available in the dark grey "Vulcan" colour, with red fender flares and side strips. A new engine was adopted, the 1,361 cc XYR, which would later be found in the Citroën Visa Chrono and the Talbot Samba produced within the same PSA group. This in-line four-cylinder engine develops 93 hp DIN at 5,800 rpm, with a torque of 12.7 mkg at 4,500 rpm, allowing a top speed of 173 km/h. From the following year, this engine was also fitted in the 104 ZS base car, but in a 'deflated' XY6B version with 72 hp (158 km/h). For 1982 the power was increased to 80 hp (engine type XY8) with a top speed of 164 km/h, while a 5-speed gearbox was fitted as standard. Total production of the 104 Coupé from 1973 to 1985 was 345,849 units, including 80,000 ZSs.