Watch as senior editor Alex Kierstein manhandles the Porsche Cayman GT4 and 911 GT3 RS on a super-soaked Road Atlanta. In case you missed them, we recently published our First Drive impressions on ...

You probably think the ultimate Porsche Cayman is the GT4 RS, the 911 GT3-powered maniac with 493 horsepower that revs to ...

Best to start with the GT4 RS’s most exciting element and that’s the engine. Replacing the GT4’s Carrera-derived engine is a 992-gen 911 GT3’s MDG.G naturally-aspirated 3996cc flat-six.

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‘This is our interpretation of what a Cayman GT4 RS might be like,’ says founder Alex Ross. ‘Look at the differences between a 911 GT3 and a GT3 RS – lighter flywheel, more aero and more powe ...

Porsche introduces the Cayman GT4 ... for the current 911 GT3, saying only that it's "under 7:30," and Internet rumor (grab your salt lick) is that the not-yet-introduced GT3 RS has done a ...

Porsche has revealed an upgrade package developed by Manthey-Racing for the 911 GT3 RS Wild aerodynamic modifications boost downforce to over 2,200 pounds at a speed of 177 mph The upgrade is ...

The new 718 Spyder RS is the ultimate Porsche Boxster and a glorious assault on the senses. Tim Pitt drives it.