Rumor: New Porsche 911 (991) GT3 RS could receive a turbocharged engine

Article by Christian A., on May 30, 2014

It appears that the next-generation Porsche 911 GT3 RS will be a big step forward for the German carmaker as the company is considering a turbocharged engine. According to Autocar, Porsche engineers are concerned on how to extract enough power from the naturally aspirated 3.8-liter flat six engine and keep it reliable.

As you may know already, Porsche already recalled the 911 (991) GT3 due to engine problems and announced that it will replace the powerplants found on the vehicles it sold.

The engine that powers the Porsche 911 GT3 delivers 475 hp (350 kW) at 8,250 rpm and it is bolted to a Porsche dual-clutch transmission (PDK) that delivers the power to the rear wheels.

With a power to weight ratio of 3.0 kg/hp, the new 911 (991) GT3 accelerates from 0 to 100 km/h (62 mph) in 3.5 seconds, to 200 km/h (124 mph) in 12 seconds, while top speed is electronically limited at 315 km/h or 196 mph.

The new Porsche 911 (991) GT3 RS is expected to be more powerful than the GT3, which means even faster. Pricing for the 911 GT3 starts at 137,303 euros in Germany, including VAT.

The dominant theme of the Porsche 911 GT3’s design is clearly about aerodynamics. Take the front apron for example, not only does it have a new design but it has the new front lights being integrated. The use of larger holes meanwhile means that the air channeled to the raid is enhanced. In fact it has been improved to a point that it is better than the 911 Carrera.

The spoiler lip is mainly pronounced and its most eye-catching element is clearly the laterally raised spoiler contour. This element is composed of three parts which include the continuous horizontal middle spoiler element and the lateral continuations before the wheel arches.

All of the three elements though have the drawn-out and scoop-shaped lip. This helps enhance the downforce that is created by the axle on the front. Yet another unique feature of this new model is the extra air outlet positioned on the boot lid’s front.

On the rear section, the unique identifying feature is the boot lid that has the fixed wing. The boot lid in the rear is totally newly developed and is composed of a carbon fiber and glass composite. The spoiler, wing supports, and even the large ram-air intake to supply air to the engine, are included not for show but are important parts of the design.

Mounted to the supports is the rear wing which is still individually adjustable, good for those who want to take the 911 GT3 on the racetrack. Additional characteristic features on the rear end of this model are the exhaust vents in the bodywork. There is one beneath the rear boot lid and two on each side. It is interesting to note that the design of the front and the rear is due to the Porsche 911 GT3’s consistent aerodynamic tuning.

This results in a remarkable balance when it comes to the three main requirements needed for the reliable cooling of drive and brakes and low drag. The model even gets that sportive downforce when running at higher speeds.

While the front spoiler provides downforce to the front axle, the rear axle gets downforce through the rear wing. Complementing this is the underbody panel that allows for an additional diffuser effect resulting from the rising contour in the vehicle’s engine area.

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