Complex sentence: From mid- 1982, a five-speed manual gearbox was introduced across the range, standard on all 1.6 L versions and could be specified as an option on most 1.3 L engines.
Split into simpler sentences: From mid- 1982, a five-speed manual gearbox was introduced across the range. This was now standard on the 1.6 L versions and could be specified as an option on most 1.3 L engines.