Lamborghini’s first production car, the Touring-styled 350GT, debuted at the 1964 Geneva Motor Show.

The work of two of Italy’s most illustrious automobile designers, the 350GT featured a glorious 3.5-litre, four-cam V12 designed by Giotto Bizzarrini, housed in a chassis penned by Gianpaolo Dallara.

The 350GT’s four camshafts and all-independent suspension meant that it upstaged the best that Ferrari offered at the time; but to compete with his Maranello rival’s larger models, Lamborghini needed a four-seater, and the 400GT 2+2 duly appeared in 1966.

A development of the 350GT, the newcomer used an enlarged - to 3,929cc - V12.

This 4-litre unit had first appeared in 1965, finding its way into a handful of late 350GTs, this interim model being known as the 400GT.

The 400GT’s claimed maximum power was 320bhp - up from the 350GT’s 270 - an output sufficient to make the former a 150mph-plus car.

Reviewing the 400GT in its 2+2 form in 1967, Autocar magazine voted it ‘better than all t...