Like the extra-special final version of the previous 997-based model, this new 991 version gets a 4.0 litre atmo flat six, replacing the 3.8 litre unit that powered the ‘regular’ GT3 RS in that earlier range.
Producing 368kW, the bigger bum-mounted heart matches the earlier ‘RS 4.0’ special to pump out 33kW more power than its predecessor, and Porsche’s boffins have found another 20Nm of torque beyond the RS 4.0’s 460Nm of torque.
The increased capacity also gives the RS a significant boost over the new GT3, which offers ‘a mere’ 350kW.
Porsche has also shaved a further 10kg from the already lightweight GT3 in developing the RS model, achieved through an upgrade to a magnesium roof and new carbon-fibre versions of the engine cover and luggage lid.
Along with an enhanced version of Porsche’s PDK dual-clutch transmission, all of this comes together to shave the GT3’s 3.5 second 0-100km/h time to 3.3 seconds - a solid achievement at this end of the game.
Other tweaks obvious to any good trainspotter include a new front lip and a bigger racing wing at the rear, along with the guard vents and panel indents familiar to RS fans.
Inside you’ll find the 918 Spyder’s carbon seats and the Club Sport package’s roll cage, six-point safety harness, fire extinguisher and readiness for a battery mastery switch.
In your wallet, you’ll need to find AU$387,700 to take one of these home. Australian deliveries begin in the third quarter of 2015, so get saving.
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