It is hard to overstate just how truly ahead of its time the Porsche 959 project was when unveiled as the Gruppe B concept at the Frankfurt Motor Show in 1983 and subsequently as a production model in 1985.

It unequivocally defined the supercar market at its very highest end—where there are no compromises on performance or limitations on cost.

Alongside Lamborghini’s Countach LP5000 QV and Ferrari’s F40, the 959 has become a poster car for an entire generation of automotive enthusiasts.

Better yet, the 959 has always been the most luxurious, reliable, tractable, and rarest model of these three.

While Ferrari and Lamborghini were jousting for the relatively straightforward accolade of world’s fastest car, Porsche head of research and development Helmuth Bott’s team of engineers were given free rein to pursue an enviably open-ended brief: to create the world’s most advanced—and capable—supercar.

The 959 has long been renowned among privileged enthusiasts as an eminently usable vehic...