Complex sentence: Maserati 3500 is a 2-door coupé and convertible made by Maserati of Italy, being the company's first attempt at the Gran Turismo market and large-volume production.
Split into simpler sentences: Maserati 3500 is a 2-door coupé and convertible made by Maserati of Italy. It was the company's first attempt at the Gran Turismo market and large-volume production.