PORSCHE911 GT2 RS 2018





























PORSCHE 911 GT2 RS

On a performance mission: With the new Porsche 911 GT2 RS, the Porsche motorsport department has developed the ultimate driving machine. The high-performance sports car is the fastest and most powerful 911 with approval for use on the road. On September 20, 2017, the vehicle achieved a record lap for road-approved sports cars on the Nürburgring Nordschleife, achieving the feat in 6 minutes and 47.3 seconds with Porsche test driver Lars Kern behind the wheel. The 515 kW (700 hp) delivered by the biturbo flat engine catapulted the two-seater vehicle - which weighs 1,470 kilograms - from zero to 100 km/h in 2.8 seconds. After 8.3 seconds, the speedometer clocked a speed of 200 km/h and continued moving up to a top speed of 340 km/h. Cornering speeds are also on a par with those achieved by super sports cars. The 911 GT2 RS reaches these speeds thanks to its flawless racing chassis and Ultra High Performance (UHP) tyres.

Discipline in sport means mastering every detail. Powerful air intakes and outlets and the imposing rear wing emphasise that the vehicle's aerodynamics have mastered both form and design. Its large, wide wheels represent superior brake and lateral forces. The 265/35 ZR 20 (front) and 325/30 ZR 21 (rear) are the widest tyre dimensions that Porsche has fitted on a 911. Numerous elements made of carbon-fibre-reinforced plastic in a matt black carbon-weave finish are visible indications of the lightweight construction throughout.

Performance can always be increased - even for the Porsche 911 GT2 RS. That's why the Porsche engineers have developed the Weissach package, which provides a weight saving of around 30 kg. The package includes additional elements made from carbon-fibre-reinforced plastic and titanium. For instance, the roof and the anti-roll bars are made of carbon, as are the coupling rods on both axles. Magnesium wheels reduce both the gross weight and the unsprung weight, providing a greater wealth of impressive chassis properties.

The 911 GT2 RS is the concentration of Porsche's motorsport expertise into one high-performance sports car that also masters everyday driving. This means that despite its superior dynamics on the race track, this new top 911 model is as predictable and reliable to handle as any other Porsche sports car. The combined fuel consumption is 11.8 l/100 km.

The first 911 GT2 was developed in 1995 to meet homologation requirements for motorsport and was based on the 911 Turbo that was available at the time. The subsequent generations followed in 2000 and 2007. In 2010, Porsche designed the first Porsche 911 GT2 RS to be an even more powerful and near-motorsport variant. All 911 GT2 vehicles have several things in common: turbo engines with significantly increased power, motorsport chassis, high-performance brakes, and rear-wheel drive as opposed to all-wheel drive.

Full speed ahead: The most powerful Turbo for road use in the 911's history

In the new 911 GT2 RS, the 3.8-litre engine from the 911 Turbo earns itself a place in the top flight of high-performance engines. As a reminder: The 3.8-litre flat engine, which made its debut back in 2009, precompresses its process air through two turbochargers with variable geometry (VTG turbochargers). Porsche was the first manufacturer to implement this technology in a petrol engine. The engineers at Porsche have now developed the original power rating of 368 kW (500 hp) into a staggering 515 kW (700 hp) - an increase of 40 per cent while retaining the same level of displacement. With this power at its disposal, the new Porsche 911 GT2 RS trumps its predecessor with a 3.6-litre engine by 59 kW (80 hp). The increase in displacement is also a factor that contributes to the enormous 750-Nm torque (an increase of 50 Nm).

The high-performance engine builds on the engine fitted in the 911 Turbo S, which delivers 427 kW (580 hp) to the double-clutch transmission. The modifications include the traditional techniques for enhancing performance that are commonly used in the field of motorsport. However, the developers also implemented a number of innovative ideas. Bigger turbochargers force more process air into the combustion chambers, which in turn increases the energy conversion rate - particularly with the very short gas exchange cycles in the high-speed range. In parallel to this, specific pistons reduce the compression ratio by 0.5 units. The engine, which approximates that seen in the field of motorsport, is designed to achieve 7,200 crankshaft rotations a minute - something of a record among turbo engines.

Further down the air guide, an expansion intake system optimises the air flow. The functional principle of this expansion intake system is different to that of conventional intake systems: The distribution pipe is longer and smaller in diameter, while the intake manifolds themselves are shorter. As a result of this design, the air vibrations are different and the mixture in the combustion chamber is cooler. This, in turn, allows the mixture to be ignited to optimum effect in terms of performance.


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