Saturday, 28 July 2007

Porsche 911 GT2 (997)

Porsche AG is finally unveiling the most powerful 911 so far homologated for road use: the new 911 GT2. The fastest-ever 911 will be available exclusively with rear-wheel drive (RWD) and a manual six-speed gearbox. (The 911 Turbo is AWD with a 6-speed Tiptronic S option).

Quicker than even the 911 Turbo, it rockets to 100km/h in just 3.7 seconds and marches on to a top speed of 329km/h (204mph). What’s even more impressive is the average fuel consumption of just 12.5L/100km (22.6mpg)!

The rear-mounted powerplant of the new 911 GT2 is based on the six-cylinder boxer engine of the 911 Turbo, with forced induction by two exhaust gas turbochargers featuring variable turbine geometry (VTG). The 3.6L boxer engine achieves its maximum output of 530bhp (390 kW) at 6500rpm, with maximum torque of 680Nm maintained - consistently on tap - between 2200 and 4500 rpm.

Further increase in engine power by 50bhp over the ‘standard’ power unit is achieved in the new 911 GT2 by two turbochargers with a larger compressor (turbine) wheel each side. A flow-optimised turbine housing further raises turbocharger pressure to an even higher level. Furthermore, Porsche engineers have for the first time, combined the turbocharged engine with an expansion-type intake manifold – an ingenious evolution on turbocharged motors. Such an expansion intake manifold keeps the temperature of the fuel/air mixture lower than in the 911 Turbo. This contributes to a significant increase in all-round efficiency, with fuel consumption down by up to 15% under full load despite the significant gain in engine output.

The 911 GT2 offers new achievements also in terms of emission management and control: This is the first Porsche homologated for the road to feature a rear silencer and tailpipes made of titanium as standard equipment. This expensive material reduces weight by approximately 50% versus a comparable component made of stainless steel. The whole rear exhaust set-up weighs just 9kg.

With standard PCCB brakes, featuring brake rotors made of a composite carbon fibre/ceramic compound, the GT2’s maximum stopping power is maintained with an extremely high level of consistency. A further advantage is that PCCB brakes reduce the weight of the unsprung masses versus comparable grey cast-iron discs by approximately 20kg.

Yet another feature fitted standard is the electronically controlled Porsche Active Suspension Management (PASM), which enables superb handling yet appreciable ride comfort. The new 911 GT2 comes shod with 19” alloys with 235/35 ZR 19 sports tyres in front, and 325/30 ZR 19 rubbers at the rear.

The new Porsche 911 GT2 is expected to go on sale in Germany and Europe by November 2007. Expect it to be in the region of RM1.8million when it comes to Malaysia sometime next year, and likely available only on an indent basis.

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