In 1987, Porsche marketed a real exceptional car under the name 959. This four-wheel drive was equipped with a 2.9-litre twin-turbocharged flat-six producing 400 hp and 6-speed gearbox. These technologies (almost) democratized in the following years. 200 units were assembled for its approval in group B. Each of them was sold at the price of five 911 Carreras…