5 generation 1981–1997 2.2 AT 1981 → 2.3 AT 1981 → 2.3 MT 1981 → 2.5 AT 1981 → 2.5 MT 1981 → 3.1 AT 1981 → 3.3 AT 1981 → 3.4 AT 1981 → 3.8 AT 1981 → 3.8 MT 1981 → 4.3 AT 1981 → 4.3 MT 1981 → 5.0 AT 1981 → 5.0 MT 1981 →