The introduction of the 964-coded 911 in 1989 represented a product refresh by Porsche designers on almost every level.

The Stuttgart marque claimed that its next-generation 911 was “85 per cent new” compared to the version it replaced.

Cosmetically, the type-964 was more refined with integrated bumpers, while its sleek profile not only aided visual appeal but drastically improved the 911’s aerodynamics.

The model was available in Cabriolet, Coupé, or Targa form, with the latter making for the rarest cars.

Coincidentally, the 964 represented the last generation that Porsche offered a Targa roof until it was revived with the type-991 in 2011.

Mechanically, the type-964 benefitted from an all-new type-M64 engine.

The naturally aspirated flat-six displaced 3.6 litres for a factory-rated 247 horsepower.

Porsche overhauled the suspension set-up, replacing torsion bars with coil springs and shock absorbers, while power steering and ABS were both included as standard for the first time...