2016 Porsche 911 GT3 R track front 3/4
  • Image Credit: Porsche
2016 Porsche 911 GT3 R track front
  • Image Credit: Porsche
2016 Porsche 911 GT3 R
  • Image Credit: Porsche
2016 Porsche 911 GT3 R track rear
  • Image Credit: Porsche
2016 Porsche 911 GT3 R studio side
  • Image Credit: Porsche
2016 Porsche 911 GT3 R studio top
  • Image Credit: Porsche
On any given weekend, you're bound to find gaggles of Porsche 911s zipping around most any race track. Now Porsche has revealed its latest competition model at no less fitting a location than the Nürburgring.

The new 911 GT3 R replaces the existing version, slotting in below the 911 RSR. It's based closely on the road-going 911 GT3 RS, and retains the same 4.0-liter naturally aspirated flat-six with direct injection and variable valve timing, but tuned to deliver over 500 horsepower, transmitted to the rear wheels through a six-speed sequential paddle-shift gearbox and mechanical limited slip differential.

The wheelbase has been stretched over three inches for better weight balance compared to the outgoing GT3 R, further optimized by more lightweight components and a central radiator to lower the center of gravity. The lightweight bodywork is made of aluminum, steel, and carbon fiber, and for the first time all of the glass (including the windscreen) has been replaced by plexi.

Stopping power is provided by six-piston aluminum monoblock calipers gripping 380-millimeter steel discs up front, with four-piston calipers and 372-mm discs at the back. The safety fuel cell can now hold 120 liters of fuel with a cut-off safety valve, the doors and windows can be removed, and the escape hatch is bigger, too.

All of this adds up to the promise of a more competitive GT3 R ready to take on the competition, available to privateer racing teams from December for 429,000 euros before tax – working out to about $487k at current exchange rates.
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World premiere at the Nürburgring
Lighter, more economical, faster: the new 911 GT3 R

Stuttgart. Based on the 911 GT3 RS production sports car, Porsche has designed a customer sport race car for GT3 series around the world: The 911 GT3 R. In developing the more than 368 kW (500 hp) racing nine-eleven, special attention was paid to lightweight design, better aerodynamic efficiency, reducing consumption, improved handling, further optimised safety as well as lowering service and spare parts costs.

Adopted from its production sibling, the 911 GT3 R features the distinctive double-bubble roof, and the wheelbase which had been lengthened by 8.3 centimetres compared to the previous generation. This ensures a more balanced weight distribution and more predictable handling particularly in fast corners corners in comparison to the previous GT3 R. By applying systematic lightweight solutions for the body, add-on parts, and suspension, the engineers significantly optimised the centre of gravity position of the GT3 R compared to the predecessor model. The lightweight body design of the 911 GT3 RS production sports car featuring intelligent aluminium-steel composite construction has proven to be the ideal basis for the race car. The roof, front cover and fairing, wheel arches, doors, side and tail sections as well as the rear cover are made of particularly light carbon-fibre composite material (CFRP). All windows – and for the first time even the windscreen – consist of polycarbonate.

Powering the new 911 GT3 R is a cutting-edge four-litre flat-six unit which is largely identical to the high-performance production engine of the road-legal 911 GT3 RS. Direct petrol injection, which operates at pressures up to 200 bar, as well as variable valve timing technology ensure a particularly efficient use of fuel. Moreover, the normally-aspirated engine offers significantly better driveability and a broader usable rev range. Power from the rear engine is transferred to the 310 mm rear wheels via a Porsche sequential six-speed constant-mesh gearbox. As in the GT road-going models of the 911, the driver changes gears via shift paddles conveniently positioned on the steering wheel.

The aerodynamics of the 911 GT3 R also follows the example of the road car. The distinctive wheel arch air vents on the front fairings increase downforce at the front axle. Measuring two metres in width by 40-centimetres in depth, the rear wing lends aerodynamic balance. From its 911 RSR big brother, the GT3 R has adopted the concept of the centrally-positioned radiator. By eliminating the side radiators, the position of the centre of gravity was improved, the radiator is better protected against collision damage, and the venting of hot air through louvers in the front cover was enhanced.

The brake system of the 911 GT3 R also underwent further modifications and, thanks to increased stiffness and more precise control of the ABS, is even better suited to long distance racing. At the front axle, six-piston aluminium monobloc racing brake callipers combined with ventilated and grooved steel brake discs with a diameter of 380 millimetres ensure outstanding braking performances. Fitted at the rear axle are four-piston callipers and discs measuring 372 millimetres.

Another development focus was on the safety features of the GT3 R. The capacity of the further-reinforced FT3 safety fuel cell was increased by twelve litres to now hold 120 litres, with the tank now featuring a fuel cut-off safety valve. The doors and the side windows can be removed, and the escape hatch in the roof is now larger. In the event of an accident, the new racing bucket seat offers pilots even better protection.

The new Porsche 911 GT3 R can be ordered immediately for 429,000 Euro plus country-specific VAT and will be delivered from December 2015.


Technical description Porsche 911 GT3 R (991)
Single-seat customer race car based on the Porsche 911 GT3 RS

Engine
- Water-cooled six-cylinder boxer engine (rear mounted)
- 4,000 cm3; stroke 81.5 mm; bore 102 mm
- Output: over 368 kW (500 hp) subject to FIA BoP (air restrictor)
- Four-valve technology
- Direct fuel injection
- Dry sump lubrication

Transmission
- Porsche sequential six-speed constant-mesh gearbox
- Mechanical slip differential
- Pneumatic gear-shift activation (paddle shift)

Bodyshell
- Lightweight body featuring intelligent aluminium-steel composite design
- Integrated (welded) roll-cage according to FIA Appendix J
- Removable escape hatch in roof
- Lightweight exterior design:
- CFRP doors, rear cover, rear wing, wheel arches, front and rear fairing
- Polycarbonate glazing
- Removable polycarbonate door windows
- FT3 safety fuel cell, approx. 120 litres, with fuel cut off safety valve in accordance with FIA regulations
- Air jack system (four jacks)


Suspension
- Front axle McPherson strut, adjustable in height, camber and toe
- Wheel hubs with centre-lock wheel nuts
- Adjustable anti-roll bar blades (left and right)
- Power-assisted steering with electro-hydraulic pressure feed
Rear axle
- Multilink independent rear suspension, adjustable in height, camber, toe
- Wheel hubs with centre-lock wheel nuts
- Adjustable anti-roll bar blades (left and right)

Brake system
Two separate brake circuits for front and rear axles; adjustable by driver via brake balance bar system
Front axle
- Six-piston aluminium monobloc racing brake calliper
- Ventilated and grooved steel brake disc, D = 380 mm, aluminium disc bell
Rear axle
- Four-piston aluminium monobloc racing brake calliper
- Ventilated and grooved steel brake disc, D = 372 mm, aluminium disc bell

Wheels/tyres
Front axle
- One-piece BBS alloy wheels according to Porsche specification and design, 12.0J x 18 offset 17, tyre dimension: 300/650-18 front; 13J x 18 offset 37.5, tyre dimension: 310/710-18 rear

Electrics
- COSWORTH power module IPS32
- Race ABS
- Traction control

Weight/dimensions
- Total weight: ca. 1,220 kg (subject to BoP)
- Overall length: 4,604 mm
- Overall width front axle: 1,975 mm
- Overall width rear axle: 2,002 mm
- Wheelbase: 2,463 mm

Car price
429,000 Euros plus country-specific VAT


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