In 1968 there was still no successor to the ADO16 in development so project ADO67 was started to be launched in 1973 as the Austin Allegro. Using much of the Austin 1100/1300 engineering re-packaged and with a new bodyshell, the styling was mainly the work of ex-Ford designer Harris Mann. From launch the Allegro was available with the trusted 1100cc and 1300cc A-series engines from the ADO16, and the 1485cc and 1948cc E-series engines from the Austin Maxi. 2-door and 4-door saloons were available, and from 1975 a 3-door Estate car. The Allegro 2 was launched at the 1975 London Motor Show with changed grille, improved suspension and better interior. In 1979 the Allegro 3 took over with slight restyling and 4 headlamps on some models. The Austin Maestro was introduced in 1982 to replace the Allegro.