I’m on a particularly gnarly section of the spectacular North Coast 500 route in Scotland and gripping the shiny, heavily worn Alcantara steering wheel of a battle-hardened 997 GT3 RS 4.0. How ...

The white 997 GT3 and Riviera Blue 997 GT3 Gen 2 are long gone, and it’s the 3.8-litre version that’s opened the biggest gap of all despite a damp surface and barely treaded Michelin Cup tyres.

There have been four generations of the GT3 RS, each based on a different Porsche 911 body design. In chronological order by body type number, they are the 996, the 997 ... RS 2.7. The RS versions ...