This 1987 Porsche 928 S4 is finished in red over black leather, and it is powered by a 5.0-liter V8 paired with a five-speed manual transaxle. Equipment includes a sunroof, black-finished 16″ wheels, heated and power-adjustable front seats, cruise control, a Sony AM/FM/CD stereo, and power windows, mirrors, and locks. The car has been registered in New Hampshire and Massachusetts, and it was acquired by the seller in 2016. Service within the last two years reportedly includes…