Together with Miura, the Countach has represented the backbone of Lamborghini legend. In 1974 once again Bertone Marcello Gandini's designer manage to draw a charming, unconventional car, which left speechless everybody. The first generation, the LP400, powered by a 4 liters V12 longitudinal engine, for a max speed of 315 km/h and an acceleration from 0 to 100 km/h in 5,6 seconds. But with the birth in 1985 of the 5000 fourvalves the performance are intended to improve further. This new version is powered by an improved V12, with an increased displacement and the important innovations of the four valves per cylinder, from which the correction in the name.