1 generation 1976–1982 2.0 AT 1976 → 2.0 MT 1976 → 2.3 AT 1976 → 2.3 MT 1976 → 2.4 AT 1976 → 2.4 MT 1976 → 2.6 AT 1976 → 2.6 MT 1976 → 3.5 AT 1976 → 3.5 MT 1976 →