2011 Porsche 911 GT3 RS 4.0 spec sheet leaked

Article by Christian Andrei, on April 14, 2011

Details of a powerful, special edition track-oriented car from Porsche have been leaked online. Porsche is known for bridging the gap between models, i.e., the Cayman has an output that fits between that of the Boxster and the 911 sportcar. Rumors of a more powerful model have actually been around for several months now but the specifications have only been leaked recently.

Porsche is reportedly working on a GT3 RS 4.0 that’s expected to provide about 500hp from the 4-liter flat-six -- bridging the gap between the GT3 RS and the GT3 Cup. It has an extra 50hp over the current GT3 RS, which is higher by 15 hp compared to the standard GT3.

In this spec sheet, we see that it has a €150,000 price tag before tax. It’s valued at €180,000 after 20 percent VAT. Even with the high price, this model is expected to sell quickly.

The new car will get the same six-speed manual gearbox with a short-throw gear lever. This is optimized to have reduced weight and high efficiency. So that the performance is enhanced throughout the entire range of engine and road speeds, the gears have a shorter transmission ratio than on the 911 GT3.

It’s clear that Porsche deliberately made concessions when it comes to higher top speed. Who wouldn’t want additional gadgets, interior luxuries and performance boosts in their vehicles? Porsche probably knew that as they have very high prices.

For example, a lightweight battery has a price tag of €1,929, its Ceramic Composite Breaks cost €8,784 and the nose-lift apparatus to protect the bumper from speed traps is priced at €3,000.

But a word of warning, this spec sheet on the Teamspeed forum may not even be genuine. Several inconsistencies were seen such as when it stated 2011 model year instead of 2012 and it has indications that it may be intended for the British market.

A look at the body and it immediately becomes clear what served as the inspiration for the new Porsche 911 GT3 RS 4.0. There are two significant features that one will see at once with the first being that it is light and the second that it is aerodynamically sophisticated. With a ready-for-road weight at 1,360 kilograms, this means that dry weight is only around 1,280 kilograms. In terms of weight then, this new model is heavier when compared to the GT3 racing car by about 80 kilograms. The reason for its low weight is obvious due to a number of details. As expected from 911 sports cars, there is extensive use of aluminum.

In addition, for the new 911 GT3 RS 4.0, both the bonnet and the front wings are composed of carbon fiber. Meanwhile the rear windows and the rear side windows make use of lightweight polycarbonate. The center panel in the rear that is adjacent to the window in the rear is composed of fiber-reinforced polyurethane. The rear lid on the other hand is made of fiber-reinforced plastic glass.

The driver and the front passenger seats use lightweight bucket seats with the floor being covered in carpets whose weights have been optimized. Helping lower the weight is the starter battery which makes use of lithium-ion technology, many of which consider Porsche as the first ever automaker to make such an offer. At only six kilograms, this storage battery is lighter by at least 10 kilograms when compared to the standard 60 Ah lead battery. Though the lithium-ion battery is part of the car when delivered, it can be replaced with the more conventional starter battery. However since the two batteries are delivered simultaneously, the vehicle can be used all through the year.

The reason is that while the lightweight battery can indeed be equipped for everyday use, due to certain characteristics, its starting ability is limited when temperature goes below zero degrees Celsius. Its aerodynamic design helps it instantly become recognizable. This is the first production sports car from Porsche to have air deflection vanes, also known as flics. These flics have been mounted to the side of the car’s front apron and when it comes to function, it goes back to motor racing as flics help the car become aerodynamically highly effective and even heighten the downforce present on the front axle.

The 911 GT3 RS models have the standard large fixed rear wing and this is seen in the new model as well. What this does is deliver downforce on the car’s rear axle. For the new 911 GT3 RS 4.0, the rear wing will come in the same color as that of the car and will continue to have the special side plates that improved aerodynamic compensation on the front end flics. Thus when running at top speed, the aerodynamic forces put out an extra 190 kilograms to push the 911 GT3 RS 4.0 to the road.

Thus, this vehicle is able to provide a higher acceleration potential for that higher cornering speed on the tracks. Meanwhile the front end is still defined by a number of features like the standard Bi-Xenon headlights, large air outlets, and the use of LED technology for the daytime running lights and position lights. There is also the extra air outlet that is positioned forward of the car’s compartment lid.

Another striking feature is the cooling air intake that is slightly protruding, located in the center, and comes in GT metallic silver. Due to its wedge shape, it improves the aerodynamic efficiency. When combined with the exhaust air opening that is in front of the luggage compartment lid and the integrated cooling air ducts, the car is able to achieve an aerodynamic downforce on its front axle. This effect is also achieved by the bold contours of the front spoiler lip, which comes in black polyurethane. Both the outlet grilles and the air inlet come in titanium. It also gets exterior cooling air inlets.

Highlighting the size of its air inlets, as well as the width, it has the stickle-shaped decorative strip that comes in GT metallic silver on the front lights and even the side air inlets. Complementing this is a decorative strip that is edged in red and is in GT metallic silver. This strip goes around centrally starting with the Porsche badge located on its luggage compartment lid and all the way through the rear lid’s "RS 4.0" model in red.

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