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Porsche 911 Turbo Coupe (991) (2014 – 2016)

The new 911 Turbo has even more power and more electronic systems. The perfect GT.

Porsche 911 Turbo Coupe (991.1)
Model
Porsche 911 Turbo Coupe (991.1)
Model Years
2014 - 2016
Engine
3.8 L Turbocharged Flat 6 (MA1/71)
Power
520 bhp @ 6000 rpm
Torque
487 ft lbs @ 1950 rpm
0 - 60 mph
3.0 seconds
Top Speed
196 mph

(2014 – 2016) Porsche 911 Turbo (991) – Ultimate Guide

Official photos: 2013 May 3 / Premiere: 2013 May 3 in Moscow during the VIP evening of the 50 years 911 celebrations / Market launch: 2013 September (as 2014 model)

The 991 Turbo was introduced 40 years after the first 911 Turbo prototype. The power figure was exactly twice the original. The 911 Turbo is naturally the heaviest 911, but luckily the weight was not up two times. The engine is basically the same direct fuel injection (DFI) unit that was in the 997 Turbo 3.8, just that fine tuning has given it 15 kW of additional power to retain the power-to-weight ratio of the predecessor.

The 991 Turbo became 50 kg/110 lb heavier with its standard automatic transmission than the 997 Turbo 3.8 was with its manual gearbox. The 991 Turbo became the first 911 Turbo that was not available with manual gearbox – sad day for the enthusiasts.

The PDK has the coasting function which means the gearbox is declutched from the engine under free run (like shifting to neutral with manual gearbox), so the engine can drop its revolutions to idling speed and save some CO2. Now, if you braked under coasting (approaching to traffic lights for example), the engine was completely shut off.

The heavy weight of the 991 Turbo and the omission of the manual gearbox made the 991 Carrera S WLS/GTS a choice for the enthusiast. The power-to-weight ratio was only 5% poorer than on the 991 Turbo, but the Carrera WLS/GTS is 200 kg/440 lb lighter. When it comes to sports cars, lighter cars are always more intuitive to drive.

The first Porsche to have the rear axle steering was the 991 GT3. The system was designed for the 991 Turbo in first place, but as the last moment decision it was also incorporated into the GT3 that was launched before the Turbo. Rear axle steering is a system that was used by different Japanese cars already in the eighties, but it gained popularity in the 21st century as a measure to make heavy cars more agile. At speeds of up to 31 mph/50 km/h, the Porsche system steers the rear wheels into the opposite direction of the front wheels simplifying manouvering and parking. Between 31-50 mph/50-80 km/h, the rear wheels are not steered and at speeds above 50 mph/80 km/h, the system steers the rear wheels parallel to the front wheels, so the car can easily change lanes going sideways.

Porsche developed an active aerodynamic system for the 991 Turbo. It consists of a sturdy, retractable 3-stage front spoiler lip in addition to the 3 positions the rear wing can take. So, the 991 Turbo has the front and rear spoilers configurable for fast cornering on the race track or for the top speed on the straight track. In the performance position, all segments of the front spoiler are fully extended, and they generate considerable downforce at the front axle. Similarly, the rear wing is extended to its maximum height with the greatest angle of attack generating maximum downforce at the rear axle.

Unlike before, Porsche offered the 991 Turbo S from the start of the production of the 991 Turbo. The unique features of the Turbo S were the GT3 mirrors, slightly different front spoiler grilles and interior features. As before, the Turbo S was a heavily equipped version of the Turbo. The powerkit added 29 KW of power and the following equipment came as standard: PDCC Porsche Dynamic Chassis Control hydraulic rollbar system, Sport Chrono (Launch control and 0.15 bar overboost functions), dynamic engine mounts, PCCB Porsche Ceramic Composite Brakes, central lock wheels, full LED dynamic headlights, 18-way adaptive Sport Plus seats with memory. The 991 Turbo S lapped the Nürburgring Nordschleife in 7:27, which is 3 seconds faster than the 991 GT3.

Turbo S front spoiler openings have slightly different grilles than the Turbo© Porsche
Turbo S has the full LED dynamic headlamps as standard© Porsche
Turbo with radar-controlled adaptive cruise control© Porsche
Note the extended active front spoiler lip with Turbo S logo and the mirrors that were first seen on the GT3 (it is unclear why they are better than the Carrera or Turbo mirrors)© Porsche
More show, less go – the standard wheel size grew to 20″ as most of the customers wanted them despite their weight and decreased performance© Porsche
Roof rack and optional aluminium window trim© Porsche
© Porsche
© Porsche
© Porsche
© Porsche
Four exhaust pipes on a six cylinder car were an unpleasant view already on the 993 Turbo S. Four exhaust pipes suit a V8 engine.© Porsche
© Porsche
The PAA Porsche Active Aerodynamics system generates 140 kg/309 lb of downforce© Porsche
The Turbo is very wide, 2.8″/72 mm wider than the 991 Carrera – so the rear spoiler looks even too modest when lowered to standard position© Porsche
© Porsche
The rear end of the Turbo and Turbo S look the same, except for the letter ‘S’© Porsche
It is nice that with the start of the 991 generation, the full model name is written on the car. In the older cars there was no ‘911’ on the rear lid and as a consequence, people not familiar with Porsches call the 911 (and sometimes even the 911 Turbo) a “Carrera”.© Porsche
© Porsche
The air enters before the rear wheel, goes in a tunnel over the wheel through the intercoolers and exits at the rear© Porsche
Central locking wheels are standard for Turbo S and optional for Turbo© Porsche
Turbo 5-bolt wheels mimick the design seen on Audi wheels© Porsche
Proven quality metal disc brakes© Porsche
PCCB Porsche Ceramic Composite Brakes have been so problematic in the past that there’s always that uncertain feeling when PCCB is promoted again with some new model© Porsche
Cracks in the ceramic disc make you believe they are intentional…© Porsche
Up to 30 mph/50 kmh the top is operable and it comes down in 13 seconds© Porsche
© Porsche
Turbo with front spoiler lip in extended position© Porsche
GT3 mirror of the Turbo S© Porsche
Sliding roof is available both in body colour and in glass© Porsche
© Porsche
No clutch pedal – ideal for sitting in city traffic and for cruising. When buying a Porsche, would you list sitting in city traffic and cruising more important than the passionate moments with her (the car!). For some people, this car is missing a pedal for sure.
© Porsche
If you need a top sound system in the 911, then opt for the weight-optimized factory installed Burmester system instead of any custom system© Porsche
© Porsche
Paddle-shift transmission is excellent if you grew up with computer games – you can continue playing the game!© Porsche
Cars equipped with optional camera-based road sign and speed limit recognition would show the data on the instruments© Porsche
© Porsche
PDCC Porsche Dynamic Chassis Control is an optional hydraulic anti-roll system which was first introduced for the Cayenne to minimize body roll in corners. The system is designed to fight weight, but at the same time it adds weight to the already heavy car.© Porsche
Like the 991 Carrera, the Turbo has a sound symposer, which is a tube that transmits the engine noise from the intake manifold to the cabin. Sounds like a ridiculous idea, but if the customers demand it – OK.© Porsche
© Porsche
Wide and flat powerplant serves for low center of gravity – a passive measure to improve handling© Porsche
VTG Variable Turbine Geometry© Porsche
© Porsche
At 00:25 the video shows how the active front spoiler works

 

Aerokit

The package included a distinctive front lip with side fins and a redesigned rear lid that had a fixed trailing edge with side winglets and a retractable rear wing with an adjustable angle of attack. The Aerokit could be ordered in the body colour or in black. In addition to the Aerokit add-ons, the standard side skirts and rear apron were also painted. In the black version, the air intake fins on the rear lid were also painted black. The total downforce at 186 mph/300 km/h was increased from 9 kg/20 lb to 26 kg/57 lb in the top speed setting, and from 132 kg/291 lb to 150 kg/331 lb in the race track setting. To find a find a 300 km/h curve where you could use the addiitonal downforce is not an easy task. Also you would not want to increase downforce in the top speed setting as this would decrease the top speed. The Aerokit has always been more of an optical than a technical feature. The Porsche Aerokit is a wind-tunnel tested equipment and should always be preferred over the aftermarket kits, both because of the high speed safety and because of the residual value of the car.

© Porsche
© Porsche
© Porsche
© Porsche
Looks like the modelling was done from the rotated 997 GT2 wing© Porsche
Black painted rear lid fins

Pictures

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Press Release

The Porsche model offensive in the anniversary year of the 911 is reaching new heights. 50 years ago, the 911 made its debut at the Frankfurt International Auto Show. And just ten years later, the first 911 Turbo prototype was at the IAA. On this 40th anniversary Porsche is now presenting the new generation 911 Turbo and Turbo S – the technological and dynamic performance peak of the 911 series. New all-wheel drive, active rear axle steering, adaptive aerodynamics, full-LED headlights and the up to 560 hp flat six-cylinder engine with bi-turbo charging underscore the role of the new generation 911 Turbo as a circuit racing car, everyday car and technology platform.

Playing an equally crucial role are the entirely new chassis in lightweight design with a 100 mm longer wheelbase and larger 20-inch wheels. The PDCC active anti-roll system, which is being offered for the first time in 911 Turbo models, increases dynamic performance even more. This system is standard equipment in the 911 Turbo S, as is the Sport Chrono Package with dynamic engine mounts and PCCB ceramic brakes; all of these features are also available as options in the 911 Turbo.

The results: The new 911 Turbo S shortens the lap time for the North Loop of the Nürburgring to well under 7:30 minutes – naturally with standard production tyres. The standard sound symposer intensifies the driving experience; it transmits induction sounds of the turbo engine to the passenger compartment via a speaker diaphragm.

More power, fuel economy improved by 16 per cent

The performance partners in the powertrain area are the further advanced engines and the new PTM all-wheel drive system. The turbocharged 3.8-litre six-cylinder engine with direct petrol injection produces 520 hp (383 kW) in the 911 Turbo and 560 hp (412 kW) in the S model. Porsche continues to be the only carmaker to offer two turbochargers with variable turbine geometry for a petrol engine. Power is transferred to the drivetrain via the seven-speed dual clutch transmission (PDK), which now enables an auto start/stop function with engine shutoff that now activates earlier during coasting to a stop as well as a coasting function. Together with the new thermal management system for the turbo engine and the PDK transmission, fuel efficiency technologies have reduced NEDC fuel consumption by up to 16 per cent to 9.7 l/100 km; these figures apply to both models.

New all-wheel drive with electro-hydraulic control

For an even faster and more precise power distribution to the two axles, Porsche developed a new all-wheel drive system (PTM) with electronically controlled and activated multi-plate coupling. The system is equipped with a new water cooling function, so that it can direct even more drive torque to the front wheels if necessary. Simultaneously, the optimised interplay of the engine, transmission and all-wheel drive systems takes the new top 911 to even better sprint capabilities. The 911 Turbo with the optional Sport Chrono Package accelerates from zero to 100 km/h in 3.2 seconds, which is even one-tenth better than the value of the previous 911 Turbo S. The new 911 Turbo S handles the standard sprint to 100 km/h in just 3.1 seconds. The car’s top speed is 318 km/h.

Widest body of all 911 cars

The two new top models display their performance visually more than ever. The characteristic, expansively wide rear body panels of the new generation 911 Turbo are 28 mm wider than on the 911 Carrera 4 models – they feature a nearly level surface, about the width of a hand, between the C-pillar and the outer edge of the car body. Other differentiating characteristics include two-tone forged 20-inch wheels – on the 911 Turbo S they have hub wheel locks. The Turbo S is also making its appearance with new full-LED headlights that feature four-point daytime running lights and dynamic, camera-based main beam control, which can be ordered as an option for the 911 Turbo.

Rear axle steering sustainably improves handling

The introduction of rear axle steering in all turbo models immensely improves both circuit racing and everyday performance of the two new top sports cars. The system consists of two electro-mechanical actuators instead of the conventional control arms on the left and right of the rear axle. The steering angle of the rear wheels can be varied by up to 2.8 degrees, depending on vehicle speed. At speeds up to 50 km/h, when the front wheels are turned the system steers the rear wheels in the opposite direction. This actually corresponds to a virtual shortening of the wheelbase by 250 mm, which gives the 911 Turbo unrivalled performance in bends. The system lets the car turn faster into the bend and offers more dynamic steering response. This noticeably simplifies manoeuvring and parking.

At speeds above 80 km/h, the system steers the rear wheels parallel to the turned front wheels. This is equivalent to a virtual lengthening of the wheelbase by a significant 500 mm and gives the sports car tremendous stability, especially at high speeds. At the same time, the steering input by the driver leads to significantly faster build-up of lateral force at the rear axle, which initiates the change in direction more spontaneous and harmoniously.

Active aerodynamics

Porsche developed an active aerodynamic system on the new 911 Turbo models for the first time — Porsche active aerodynamics (PAA). It consists of a sturdy, retractable three-stage front spoiler, whose segments can be pneumatically extended, and a deployable rear wing with three adjustable wing positions. This makes it possible to tune the aerodynamics of the 911 Turbo to fulfil driver wishes for either optimal efficiency (speed position) or top dynamic performance. In the performance position, all segments of the front spoiler are fully extended, and they generate considerable downforce at the front axle. Similarly, the rear wing is extended to its maximum height with the greatest angle of attack. This also generates more downforce at the rear axle. Dynamic performance is improved to such an extent that lap times at the North Loop of the Nürburgring are improved by up to two seconds due to this system alone.

New interior

The interior was completely redesigned in both 911 Turbo models, and it builds on the 911 Carrera family. The S model is particularly well equipped, offering such features as an exclusive interior in a black/carrera red colour combination and adaptive sport seats plus with 18-way adjustment and memory. In addition, the seat backrest shells are leather upholstered with double cap seams and various elements in carbon look. Like on the previous models, the Bose sound system is installed as standard; for the first time, a Burmester system is also available as an optional feature. A radar-controlled cruise control system, camera-based road sign recognition and speed limit recognition are other new options being offered.

The new top models of the 911 model series arrive on the market at the end of September 2013. In Germany, the 911 Turbo costs 162,055 euros; the new 911 Turbo S costs 195,256 euros, including VAT and country-specific features.

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