High Quality Content by WIKIPEDIA articles! The Austin Allegro is a small family car manufactured by British Leyland under the Austin name from 1973 until 1983. The same vehicle was built in Italy by Innocenti between 1974 and 1975 and sold as the Innocenti Regent. In total, 642,350 Austin Allegros were produced during its ten-year production life, most of which were sold on the home market.