答案是“NO”！

  Increased sales of Porsche's 928 model during the mid-1980s prompted executives to consider adding another large, sporty touring vehicle to the lineup, this time a 4-door that could serve as a more practical but equally as powerful and exciting alternative to the 928. Porsche engineer Dr. Ulrich Bez was put in charge of the project and given instructions that the vehicle should be luxurious and comfortable but offer a sporting nature superior to what could be attained in large sedans from Mercedes-Benz and BMW.
  Bez designed a new front-engine, rear-drive platform with a wheelbase of 2826 mm (111.3 in) and power coming from a new 80-degree, water cooled V8 engine with a power output of around 300 bhp (220 kW). Some discrepancy has arisen as to the engine displacement, which is reported as being between 3.6 a