Complex sentence: The 16V model's production last less than a year; began on the second quarter of 2003 and ended on the first quarter of 2004, the same time it was replaced with the ELX model.
Split into simpler sentences: The 16V model's production last less than a year. It began on the second quarter of 2003 and ended on the first quarter of 2004, the same time it was replaced with the ELX model.