Video: 2013/2014 Porsche 911 GT3

There is only one bad thing about  the GT3… The GT3 RS!

The Porsche 911 celebrates its 50th anniversary in 2013. Porsche is marking this anniversary year by starting a new chapter in the area of high performance sports cars for circuit tracks. Following the total production of 14,145 GT3 cars since 1999, the fifth generation of the Porsche 911 GT3, an allround redevelopment, is set to take on the pole position among the thoroughbred Porsche sports cars with naturally aspirated engines.

2014-porsche-911-gt3_on-track

Both engine and transmission, as well as body and chassis are entirely new, and extend the 911 GT3 concept with an impressive performance leap. This is due to the new active rear-wheel steering, as well as other features.This ensures that all successful characteristics of this racing-capable sports car are preserved, with even more dynamics, more sophisticated day-to-day suitability – and a highly emotional fun factor.

2013_Porsche_GT3_991_Rear

The powertrain of the new 911 GT3 is composed of a 3.8-litre flat engine that yields 475 hp (350 kW) at 8.250 rpm, a Porsche Doppelkupplung (PDK), and the high-traction rear-wheel drive. The six-cylinder engine is based on the 911 Carrera S engine, but shares only few common parts. All other components, particularly the crankshaft and valve train, were specially adapted or developed for the GT3.

2013_Porsche_GT3_911_on_Track

For example, Porsche is once again using titanium connecting rods and forged pistons. These basic modifications set the stage for an extreme high-revolution engine capable of reaching up to 9,000 rpm. The dual-clutch gearbox is another feature specially developed for the GT3, with characteristics inspired by the sequential gearboxes used in motor racing, thus granting the driver further benefits when it comes to performance and dynamics.

Porsche 911 GT3 Specifications

Body: Two-seat Coupé; lightweight body in intelligent aluminium-steel construction with wings, doors, boot and bonnet lids made of aluminium; two-stage driver and front passenger airbags; side and head airbags for driver and front passenger.

Aerodynamics:

Drag coefficient cd: 0.33
Frontal area A: 2.036 m2
cd x A: 0,672

Engine: Water-cooled flat-six engine; aluminium engine block and cylinder heads; four overhead camshafts, four valves per cylinder, variable inlet valve timing (VarioCam); hydraulic valve lifter; direct petrol injection; one three-way catalytic converter per cylinder bank, each with two oxygen sensors; electronic ignition with solid-state ignition distribution (six active ignition modules).

Bore: 102.0 mm
Stroke: 77.5 mm
Displacement: 3,799 cm3
Compression ratio: 12.9:1
Engine power: 350 kW (475 PS) at 8,250 rpm
Max. torque: 440 Nm at 6,250 rpm
Power output per litre: 92.1 kW/litre (125 PS/litre)
Maximum revs: 9,000 rpm
Fuel type: Super Plus
Electrical system: 12 Volt; alternator 2,100 W; battery 95 Ah, 520 A.

Power transmission: Engine and transmission bolted into combined drive unit;

seven-speed Doppelkupplung (PDK) with controlled rear axle differential lock and PTV Plus.

Porsche Active Suspension Management (PASM) with electronically-controlled dampers; two manually selectable maps.

Brakes: Dual-circuit brake system with separate circuits for front and rear axles; Porsche Stability Management (PSM); vacuum brake booster; electric duo-servo parking brake; auto-hold function.

Front axle: six-piston aluminium monobloc brake callipers, perforated and internally ventilated brake discs with 380 mm diameter and 34 mm thickness.

Rear axle: four-piston aluminium monobloc brake callipers, perforated and internally ventilated brake discs with 380 mm diameter and 30 mm thickness.

Wheels and tyres: front 9 J x 20 with 245/35 ZR 20; rear 12 J x 20 with 305/30 ZR 20

Weights: Unladen weight (DIN): 1,430 kg
Permissible gross weight: 1,720 kg
Dimensions:
Length 4,545 mm
Width 1,852 mm
Height 1,269 mm
Wheelbase 2,457 mm
Track widths: front 1,551 mm; rear 1,555 mm
Luggage compartment capacity: front 125 litres; rear 260 litres
Fuel tank capacity: 64 litres
Performance: Top speed 196 mph (315 km/h)
Acceleration: 0-62mph (0 -100 km/h) 3.5 secs
Fuel consumption (NEDC):
Urban 14.9 mpg (18.9 l/100 km)
Extra-urban 31.7 mpg (8.9 l/100 km)
Combined 22.8 mpg (12.4 l/100 km)

PhotoGallery

[Source: testdriven.co.uk]

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