With the Targa roof, the Lamborghini Silhouette - which is the evolution of the Urraco - proposed an alternative open version with the intention of winning over the difficult United States market. The engine, now perfected, which had four overhead camshafts in the 3-litre version, allowed a maximum speed of 260 km/h. And despite this, after two prototypes, only 53 Silhouettes were produced, the last one being used and tested as the Jalpa prototype.