The 2023 Porsche 718 Cayman GT4 RS Is a 493-HP, 9000-RPM Monster
The 2023 Porsche 718 Cayman GT4 RS Is a 493-HP, 9000-RPM Monster
The Porsche 718 Cayman GT4 is a fabulous car, but you can't help but wonder what it'd be like with the engine from the 911 GT3. Surely, it would be amazing, but the assumption was that Porsche would never build this car, so as to preserve the 911's place atop the hierarchy. You know what they say about assumptions, though. This is the 2023 Porsche 718 Cayman GT4 RS, and it's powered by the same 9000-rpm flat-six. The 2023 Porsche 718 Cayman GT4 RS Is a 493-HP, 9000-RPM Monster
We want to party with this car, celebrate this engine, horsepower, RPMs before some distant day where it goes electric," says Andreas Preuninger, head of Porsche GT cars, in a media roundtable. As signaled by the Mission R race car concept, Porsche's 718 range will go all-electric at some point in the future. So Porsche's GT department figured it should build the ultimate internal-combustion Cayman while it still could. The 2023 Porsche 718 Cayman GT4 RS Is a 493-HP, 9000-RPM Monster
The 718 Cayman GT4 RS makes 493 hp and 331 lb-ft to the 911 GT3's 502 hp and 346 lb-ft, but this engine isn't detuned. Preunigner explains that the slight dip is due simply to the need for longer exhaust pipes. The only significant difference between the engines in the GT4 RS and GT3 is with the intake because of the packaging needs of a mid-engine car. The 2023 Porsche 718 Cayman GT4 RS Is a 493-HP, 9000-RPM Monster
That intake is a marvel, too, as the car now breathes through carbon fiber inlets that replace the Cayman's typical rear quarter windows, in addition to the inlets behind the doors. The upper intakes run through the cabin into a giant airbox that sits where the parcel shelf resides in a normal Cayman. We're reliably told that this car will be very loud inside.
Previous versions of this 4.0-liter wouldn't fit in a Cayman chassis, but when engineering the version that would go into the 992-generation GT3, Porsche decided to design a new tank for the dry-sump oiling system that made it Cayman compatible. Everything else, including the individual throttle bodies and rigid finger-follower valvetrain is the same as you get in the GT3.
So The 2023 Porsche 718 Cayman GT4 RS Is a 493-HP, 9000-RPM Monster
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