Huge customer demand has forced Porsche to bring forward plans to produce an RS-version of the Cayman GT4.
Instead of the current GT4's 283kW/420Nm 3.8-litre flat-six cylinder, the RS, according to Auto Express, will come powered by an all-new, detuned 4.0-litre flat-six that will be shared with the soon-to-be-launched facelifted version of the 911 GT3.
According to an insider, the more powerful 4.0-litre that's expected to produce around 320kW/500Nm was needed after the German car maker found its recently launched four-cylinder turbo-powered 718 Cayman S could lap the Nurburgring as quick as the old GT4.
Bridging the performance gap even further, the GT4 RS is expected to weigh in at least 60kg lighter than the current car.
Tailored for track use the RS will also come with a stripped-out interior and race car options like a half roll-cage and fire extinguisher.
It's not known whether the Cayman GT4 RS will be offered with a manual gearbox, or the firm's PDK dual-clutch auto. Or both.
In any case, expect the Cayman GT4 RS to cost considerably more than the $190,000 (plus on-road costs) Porsche charged for the 2015 Cayman GT4.