Porsche has revealed the 718 Boxster Spyder and Cayman GT4 ahead of an Australian arrival in the first quarter of 2020.
Purists will be happy to know the turbocharged flat four from the standard 718 range has been replaced with a newly developed 4.0-litre naturally-aspirated flat-six producing 309kW and 420Nm. For those wanting to take it to the max, both cars have an 8000rpm redline. A six-speed manual transmission sends power to the rear wheels.
Adaptive cylinder control allows the engine to temporarily shut down one of the two cylinder banks when under a light load.  
Both variants sprint from 0-100km/h in 4.4 seconds. The Spyder has a top speed of 301km/h, while the Cayman GT4 can reach 304 km/h.
Thanks to improved aerodynamics, the Cayman GT4 produces up to 50 per cent more downforce, without adversely affecting drag.
Unlike the GT4, the Spyder has a rear spoiler that comes up automatically at 120 km/h. Thanks to the functional diffuser, it is the first model in the Boxster family to generate aerodynamic downforce at the rear axle.
Porsche is also talking up the lightweight spring-strut front and rear axles from the brand’s catalogue of racing technologies.
The Porsche Active Suspension Management damping system with 30 mm lower suspension is standard, as is Porsche Stability Management (PSM) and Porsche Torque Vectoring (PTV) with a mechanical rear differential lock.
The GT4 can also be optioned with a  Clubsport package that includes a rear steel roll bar and a six-point seatbelt on the driver’s side.
Australian delivered examples will feature Bi-Xenon headlights including the Porsche Dynamic Light System, parking sensors, a rear-view camera, automatically dimming mirrors, a windscreen with grey top-tint, ambient interior lighting, an alarm system, climate control, cruise control, heated seats, digital radio, sat nav and Apple CarPlay as standard.
The new Porsche 718 Boxster Spyder and the 718 Cayman GT4 are available to order now, priced from $209,000 and $218,800 plus on-road costs respectively.
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