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 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 356’s rear-engined layout was retained but the 911 switched to unitary construction for the bodyshell and dropped the 356’s VW-based suspension in favour of a more modern McPherson strut and trailing arm arrangement.

In its first incarnation, Porsche’s single-overhead-camshaft, air-cooled flat six displaced 1,991cc and produced 130bhp; progressively enlarged and developed, it would eventually grow to more than 3.0 litres and, in turbo-charged form, put out well over 300 horsepower.

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

Easily distinguishable by its stylish Fuchs five-spoked alloy wheels, the ‘S’ featured a heavily revised engin...