1973 - Range launched in May with two- and four-door saloon models in 1100, 1100DL, 1300, 1300DL, 1300SDL, 1500SDL, 1500 Special, 1750 Special and 1750 Sports Special trim levels.
1974 - Vanden Plas 1500 with coachbuilt interior and bespoke grille launched in October. 1750 model gains twin-carb engine. HL trim replaces Special. ‘Quartic’ steering wheel dropped.
1975 - Three-door estate model introduced in 1300SDL and 1500SDL versions. Allegro 2 introduced in October with improved suspension, better rear seat leg room, modified engine mountings to reduce noise, improved cabin ventilation and higher overall gearing.
1979 - Equipe model (2700 total production) introduced in July as a two-door 1750HLS with alloy wheels and unique side stripes. The Allegro 3 comes in September with a new dashboard, different bumpers, grille and rear lamps, a…