1991 - Peugeot partly replaces its hugely popular 205 with the slightly smaller 106 .
Citroen re-enters the medium - sized hatchback market with Peugeot 's ZX .
1991 - Peugeot partly replaces its hugely popular 205 with the slightly smaller 106 , while Citroen re-enters the medium - sized hatchback market with its ZX .