The Biturbo Spyder is important because it is one of those rare cars that combines design pedigree, brand character, and genuine rarity. Maserati’s classic archive identifies the model as a Zagato-designed 2+2 Spyder, and for the 1989–1992 version lists 220 hp and a top speed of 230 km/h. It stands out not because it follows the obvious path, but because it offers a more unusual and charismatic side of Italian open-top motoring—something distinctive enough to deserve thoughtful, specialist attention