Complex sentence: In 1997, the Century was redesigned for the last time, the four-door sedan was the only body style offered (the station wagon was dropped due to decreasing sales), and still a front wheel drive V6-powered configuration.
Split into simpler sentences: In 1997, the Century was redesigned for the last time. The four-door sedan was the only body style offered (the station wagon was dropped due to decreasing sales), and was still a front wheel drive V6-powered configuration.