1 generation 1974–1993 2.0 AT 1974 → 2.0 MT 1974 → 2.1 AT 1974 → 2.1 MT 1974 → 2.3 AT 1974 → 2.3 MT 1974 → 2.4 MT 1974 → 2.7 AT 1974 → 2.7 MT 1974 →