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Geneva motor show: Porsche 911 GT3

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The new Porsche 911 GT3 will feature a host of new tech, but will do without a manual gearbox for the first time

Porsche has heralded the 50th anniversary of the 911 with a new 468bhp race-bred GT3 at the Geneva motor show.

The new GT3 has been co-developed by Porsche¹s road and race engineers. It includes key innovations such as a new electronically controlled four-wheel steer system but does without a manual gearbox option for the first time.

The GT3 is distinguished from the standard Porsche 911 by a new aerodynamic body that includes a deeper front bumper, extra air intakes and fixed carbonfibre rear wing.

At 1430kg, it weighs more than its second-generation predecessor, something largely put down to it being 85mm longer and 44mm wider.

Power comes from a newly developed 468bhp, 324lb ft version of the 3.8-litre, direct-injection flat six engine found in the latest Carrera S.

As well as being 39bhp more powerful than the previous GT3, its rev limit is up by 500rpm to 9000rpm. Power is sent to the rear wheels through a seven-speed dual-clutch automatic gearbox. Steering wheel-mounted paddle shifters feature, and launch control is integrated into the gearbox. 

The 0-62mph time is a claimed 3.5sec and the top speed is 196mph.

The suspension has been overhauled to reduce unsprung mass by 7kg compared with the 911 Carreras on which the GT3 is based. A variable damping system (PASM) is standard, as is torque vectoring (PTV Plus), which includes a locking differential.

The four-wheel steer system points the rear wheels in the opposite direction to the front wheels at speeds of up to 31mph for faster corner entry speeds. At speeds above 50mph, the rear wheels steer in parallel to improve stability.

Click here for more Geneva motor show 2013 news.


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