Models of Citroën: 1970
The Paris Motor Show unveils the GS: 1,015 cm 3 air-cooled flat-4 cylinder engine developing 55.5 bhp at 6,500 rpm, 6 bhp, 149 km/h, 9.68 litres/100 km. The GS is equipped with a 4-speed gearbox, four power-operated disc brakes with double circuits, and an all-independent hydropneumatic suspension system. Built as 5-seat 4-door saloon or 5-door estate, the GS is produced in 1,896,742 examples between September 1970 and July 1981.
March sees the launch of the SM, a luxury coupé born of the 1968 agreement with Maserati. The Maserati 2,670 cm 3 engine develops 179 bhp DIN at 5,500 rpm. Rated 15 bhp, the SM consumes 12.5 litres/100 km. It has a 5-speed gearbox, hydropneumatic suspension with automatic height correction and 4 power-operated disc brakes with independent front and rear circuits. Brake power is adjusted automatically according to vehicle load and distribution, while the power steering works on an entirely new principle: automatic centering of wheels - even when parking - and power proportional to speed. The six headlamps offer automatic levelling.
In January, Citroën intrigues technical enthusiasts with the M35 prototype, powered by a rotary piston engine, the result of studies carried out with Comobil. The 995 cm 3 single-rotor engine develops 49 bhp at 5,500 rpm. Rated 6 bhp, the M35 has a 4-speed gearbox, travels at 144 km/h and consumes 9.7 litres/100 km.
Models of Citroën: 1971
The GS receives the "Car of the Year" award.
Models of Citroën: 1972
In September, the DS21 is replaced by the DS23. The new car is fitted with either a carburettor (124 bhp SAE at 5,250 rpm) or electronic fuel injection (130 bhp SAE at 5,250 rpm). The 2,347 cm 3 engine develops 13 bhp. The DS23 travels at 188 km/h and consumes 12 litres/100 km. A total 48,464 examples are made between September 1972 and April 1975.
The electronic injection SM replaces the version with a carburettor: 2,670 cm 3 engine, 178 bhp at 5,500 rpm, 15 bhp, 228 km/h, 11.22 litres/100 km. A total 3,500 examples are made between October 1972 and September 1975.
September sees the launch of the GS 1220: 1,222 cm 3 engine, 7 bhp, 151 km/h. The car is built as a saloon, estate and utility vehicle.
Models of Citroën: 1973
February sees the launch of the Ami Super, a car with the Ami body but the 1,015 cm 3 4-cylinder 6 bhp engine of the GS: 61 bhp at 6,750 rpm, 140 km/h.
The Paris Motor Show unveils the GS Birotor, prior to its launch in March 1974. The tests carried out with the M35 contributed to the development of a new Comotor rotary-piston engine, this time with twin rotors; 1,990 cm 3 , 107 bhp DIN at 6,500 rpm. Rated 11 bhp, the car has a 3-speed gearbox, travels at 175 km/h and consumes 12.8 litres/100 km. The GS Birotor is quieter and more responsive than the standard GS. It is produced in 847 examples between March 1973 and March 1975. September sees the launch of the SM Automatic, with an enlarged 2,965 cm 3 engine (the standard electronic injection engine is offered with an automatic gearbox), 190 bhp SAE at 6,500 rpm, 17 bhp, 205 km/h, 13.48 litres/100 km. The SM automatic is built in 1,612 examples between September 1973 and September 1975.
Models of Citroën: 1974
The Paris Motor Show premieres the CX 2000: 1,985 cm 3 engine developing 102 bhp DIN at 5,500 rpm, 11 bhp, 4-speed gearbox, 174 km/h, 10.5 litres/100 km. Less revolutionary than its predecessor - the DS - the CX offers all of Citroën's recent technical developments. A transversely mounted engine/gearbox assembly at the front, all-independent constant-height hydropneumatic suspension, power-operated brakes with front discs and double circuits, single wiper blade, concave rear window and a futuristic instrument panel. The CX is built as a 4-door, 5-seat saloon.
Also at the Paris Show, the GS range is extended to include the GS Pallas, the GS X and the GS X2.
In March, the C35 utility vehicle - produced jointly with Fiat - arrives in the showrooms. The vehicle offers a payload of 1,885 kg and a choice of two versions: petrol, 1,985 cm 3 , 65 bhp DIN at 4,750 rpm, 9 bhp, 107 km/h, and diesel, 2.175 cm 3 , 61.5 bhp DIN at 4.500 rpm, 7 bhp, 101 km/h.
Models of Citroën: 1975
The CX 2200 is launched in January: 2,175 cm 3 engine developing 112 bhp DIN at 5,500 rpm, 12 bhp, 179 km/h, 10.2 litres/100 km. The CX 2200 Diesel arrives in December: 2,175 cm 3 engine developing 66 bhp DIN at 4,500 rpm, 9 bhp, 146 km/h, 6.3 litres/100 km. The C-matic torque converter is offered as an option on the CX 2200 option. A semi-automatic transmission system comprising an automatic clutch, torque converter and manual 3-speed all-synchromesh gearbox, the system does away with the conventional clutch pedal. The CX receives the "Car of the Year" award as well as the "Safety Prize" and the "Car Styling Award".
Models of Citroën: 1976
January sees the launch of the CX Estate; with a choice of CX 2000 or CX 2200 diesel engines.
The CX Prestige is launched in February, gaining an extra 27 cm in length.
The 2CV Spot is launched in April, in a limited edition of 1,800 cars.
The Paris Motor Show unveils the LN: 602 cm 3 air-cooled, flat-twin engine developing 32 bhp at 5,750 rpm, 3 bhp, 4-speed gearbox, 120 km/h, 5.9 litres/90 km. The smallest engine in the smallest body, the 3-door, 4-seat LN combines Citroën mechanical components with the body of the Peugeot 104 Coupé. The homogeneous design reflects the harmony of approach between the two carmakers; 127,932 LNs are built between September 1976 and October 1978.
Also at the Paris Show, the CX 2400 replaces the CX 2200: new 2,400 cm 3 engine, 115 bhp DIN at 5,500 rpm, 13 bhp, 181 km/h, 8.3 litres/100 km.
Models of Citroën: 1977
April sees the launch of the Dyane Caban, a limited edition of 1,500 vehicles.
The CX 2400 GTI with electronic fuel injection is launched in May: 2,347 cm 3 engine producing 128 bhp DIN at 4,800 rpm, 13 bhp, 189 km/h, 8.1 litres/100 km. The GTI is equipped as standard with speed-sensitive power steering and a 5-speed gearbox for reduced fuel consumption and quieter cruising. The CX wins the "Gute Form 76/77" Prize in Germany.
Models of Citroën: 1978
In February, the CX 2200 Diesel is replaced by the CX 2500 Diesel: 2,500 cm 3 engine, 75 bhp DIN at 4,250 rpm, 10 bhp. Equipped with a 5-speed gearbox, the CX 2500 Diesel is the fastest non-turbocharged diesel saloon in the world (156 km/h).
The Paris Motor Show unveils the 5-door, 5-seat Visa with a choice of two engines. The Special and Club have a 652 cm 3 air-cooled flat twin engine developing 36 bhp DIN at 5,500 rpm, a 4 bhp rating and a maximum speed of 124 km/h, while the Super has a Peugeot engine, 1,124 cm 3 , liquid-cooled 4-cylinder in-line developing 57 bhp DIN at 6,250 rpm, a 5 bhp rating and a maximum speed of 144 km/h. Like the LN in 1976, the Visa is a result of the partnership between Citroën and Peugeot.
In October, the LN is replaced by the LNA: 652 cm 3 engine developing 36 bhp DIN at 5,500 rpm, 4 bhp, 126 km/h, 5.2 litres/100 km. The Visa and the LNA are the first cars in the world to be fitted with AEI (solid-state electronic ignition).
The FAF (Facile à Fabriquer, Facile à Financer or "Easy to Manufacture, Easy to Finance") is launched at the Dakar Fair in November. Based on the structure and mechanical parts of the 2CV, the FAF has a body built from folded steel sheet which can be made without heavy machinery. Developed specially to meet the needs of developing countries, the FAF becomes the subject of several assembly agreements with African countries.
Models of Citroën: 1979
In July, the CX 2000 is replaced by the CX Reflex and Athena, complementing the CX 2400 and CX 2500 Diesel. The Société Française de Mécanique builds a new 4-cylinder light-alloy, overhead-camshaft, 1,995 cm 3 engine developing 106 bhp DIN at 5,500 rpm.
December sees the launch of the CX Limousine and the armour-plated CX Prestige Haute Protection.
In September, the GS Club, Pallas and X3 are replaced by the GSA Club, Pallas and X3: 1,300 cm 3 engine, 65 bhp at 5,500 rpm, with a choice of gearboxes, new 5-door styling and new interior trim.