Porsche 718 Cayman GT4 gets flat-six 28 | 06 | 2019

    PORSCHE HAS REVERTED back to six-cylinder power for its most extreme version yet of the Cayman, the 718 Cayman GT4. Available to order now from Scottish Porsche dealers, prices start at £75,348 with first deliveries expected in the autumn. (Related: Porsche 911 Speedster to cost £211,599)

    While the ‘standard’ 718 Cayman has received some criticism for the character of its four-cylinder ‘boxer’ engine, the latest GT4 gets a new 4.0-litre motor derived from the engine seen in the latest Porsche 911, but without the turbochargers.

    That means the 718 Cayman GT4 gets an increase of 35bhp, now up to 414bhp; plus 420Nm of torque between 5000 and 6800rpm. The rev limit is 8000rpm. (Related: Porshe unveils Cayenne Coupe)


    Mated to a six-speed manual gearbox, the GT4 will top-out at 189mph — that’s more than 300kph — and hit 62mph from standstill in 4.4secs. Porsche also says the current GT4 can lap the  Nurburgring Nordschleife circuit in Germany 10s faster than its predecessor. (Related: New Porsche 911 Cabriolet unveiled)

    In order to save fuel, the new engine can shut down two cylinders under light throttle loads. As a result, Porsche says the 718 Cayman GT4 manages 26mpg under the older NEDC efficiency test. That should drop to around 22mpg when converted to the tougher WLTP test.


    The latest GT4 also benefits from a number of aerodynamic tweaks, with Porsche claiming up to 50% more downforce, with no adverse effect on drag. Not only does the fixed rear wing produce around 20% more downforce compared with the previous generation, but the addition of a new design of exhaust allows for a rear diffuser that delivers around 30% of the rear downforce.


    The GT4 also sits on a chassis which incorporates a suspension which is 30mm lower than a standard Cayman’s, plus there’s a locking mechanical rear differential. Buyers also have the option of a Clubsport package which adds a six-point seatbelt for the driver’s seat, a fire extinguisher and a rear roll bar.

    Related: Porsche 718 Cayman GT4 Clubsport

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    Jim McGill


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