This 1990 Porsche 911 Carrera 4 cabriolet was purchased in 1996 by the seller, who has since added 49k of the 85k miles shown. The car is powered by a 3.6-liter flat-six that drives all four wheels through a five-speed manual transaxle, and it is finished in Black over dark gray partial leather. Equipment includes a black soft top, 17" RUF…