A ‘modern classic’ if ever there was one, Porsche’s long-running 911 arrived in 1964, replacing the 356 that had secured the fledgling company’s reputation as a producer of some the world’s finest sporting cars.

The iconic 911 would take this reputation to an even more exulted level on both the road and racetrack.

The first of countless upgrades came in 1966 with the introduction of the 911S.

Easily distinguishable by its stylish Fuchs alloy wheels, the ‘S’ featured a heavily revised engine producing 160bhp, the increased power raised the top speed by 10mph to 135mph.

A lengthened wheelbase was introduced in 1969 improving the 911’s sometimes wayward handling, and then in 1970 the engine underwent the first of many enlargements increasing capacity to 2.2 litres.

At this time the top-of-the-range ‘S’ model utilised Bosch Mechanical fuel injection and produced an impressive 180bhp.

All 911 variants received the 2.4-litre unit for 1972, by which time the 911S featured the stronger ...