Complex sentence: The two-door, four-seater coupé was similar in appearance to Maserati Shamal, as both were an evolution of the previous Biturbo coupés; the doors, interior, and basic bodyshell were carried over from the Biturbo.
Split into simpler sentences: The two-door, four-seater coupé was similar in appearance to Maserati Shamal, as both were an evolution of the previous Biturbo coupé. The Ghibli shows its Biturbo heritage in the doors, interior, and basic bodyshell, which were carried over from the Biturbo.