Not only was the 959 fast, but it was ultra-capable in almost any conditions, thanks to development work that had originally grown out of Porsche's attempts to build a world-beating rally car.

Get the latest car news, reviews, and features.

there was another Porsche supercar quietly and discretely on display upstairs in the same hall. That, of course, was the 959. But not just any 959: this was the original Gruppe B prototype.