Complex sentence: The Gran Torino Sport was no longer available with the "Sportsroof" fastback roofline, and the new "Gran Torino Elite" was introduced at mid-year 1974 to respond to Chevrolet's popular Monte Carlo.
Split into simpler sentences: The Gran Torino Sport no longer was available with the "Sportsroof" fastback roofline, and the new "Gran Torino Elite" was introduced. At mid-year 1974, the Gran Torino Elite was introduced to respond to Chevrolet's popular Monte Carlo.