911carrera 4s

Every element fulfils a function. From this principle, the 911 draws its inner strength. The logical consequence of this is the 911 Carrera’s very low drag coefficient of 0.29.
The air intakes on the front end have been enlarged to provide increased cooling power and give an even more dynamic appearance.
Bi-xenon headlights are fitted as standard on all 911 models. The indicators and LED daytime running lights and position lights are harmoniously integrated into the separate front light units above the outer air intakes for an imposing look.The optional dynamic cornering lights have a swivelling module for the dipped beams – visible engineering for improved visibility. As with the modified exterior mirrors which provide an even better rearward view.
The rear end, too, has undergone a restyling. The imposing LED taillights are drawn right into the wing and taper off to the outside. Unmistakable – especially at night. The stainless steel tailpipes, designed as twin tailpipes on the S model range, are integrated seamlessly. Another important aesthetic contribution is the wheel design. As standard, 911 Carrera models are fitted with 18-inch wheels and Carrera S models with 19-inch wheels.
Specific to the all-wheel drive variants is the 44 mm wider stance at the rear and the taillight strip, which, as a striking design feature, lends even more impact to the rear end.
In every respect, the design is unmistakably 911 – because its form follows function. And all the while it maintains its unique appeal.


Character

Outstanding driving dynamics and traction are what the allwheel drive variants of the 911 have to offer above all else. And they’re instantly recognisable. By their wider body – an extra 44 mm at the rear wings. By the wider rear track – 32 mm more in Carrera 4S models – and the wider rear tyres. Also, by their titanium-coloured front air intake grilles and slats, and seamless taillight strip. Painted in black for contrast, the trims on the lower rear panel and the side skirts provide improved protection against stone impact.the trims on the lower rear panel and the side skirts provide improved protection against stone impact.

In terms of measurable values:

The performance of the 911 Carrera 4 with the 3.6-litre engine is 0 to 100 km/h (62 mph) in 5.0 seconds with a top speed of 284 km/h (177 mph).
The 911 Carrera 4S completes the 0 to 100 km/h (62 mph) sprint in just 4.7 seconds and reaches a maximum speed of 297 km/h (185 mph).

On to the internal values:

The performance of the 911 Carrera 4 with the 3.6-litre engine is 0 to 100 km/h (62 mph) in 5.0 seconds with a top speed of 284 km/h (177 mph).
The 911 Carrera 4S completes the 0 to 100 km/h (62 mph) sprint in just 4.7 seconds and reaches a maximum speed of 297 km/h (185 mph).

On to the internal values:

Both models are equipped with Porsche Traction Management intelligent all-wheel drive, which until now has been exclusive to the 911 Turbo. PTM has been optimised for outstanding driving dynamics, which are also underpinned by the mechanically locking rear differential. In addition, the traction offered by PTM represents a significant safety feature – especially in wet and snowy conditions.
The 911 Carrera 4 models therefore deliver improvements in both safety and dynamics. However, this is no surprise to their drivers, who see them as an indication of their inner strength.
* These data were obtained using the Euro 5 measurement method (715/2007/EC and 692/2008/EC) in the NEDC (New European Driving Cycle) with standard equipment.
The 911 Carrera 4S completes the 0 to 100 km/h (62 mph) sprint in just 4.7 seconds and reaches a maximum speed of 297 km/h (185 mph).

On to the internal values:

Both models are equipped with Porsche Traction Management intelligent all-wheel drive, which until now has been exclusive to the 911 Turbo. PTM has been optimised for outstanding driving dynamics, which are also underpinned by the mechanically locking rear differential. In addition, the traction offered by PTM represents a significant safety feature – especially in wet and snowy conditions.
The 911 Carrera 4 models therefore deliver improvements in both safety and dynamics. However, this is no surprise to their drivers, who see them as an indication of their inner strength.

Porsche 911 carrera

 Porsche 911 carrera

Luxury coupes can be divided into two categories: performance and touring models. Performance models include the  Porsche 911, Cheverolet  -- two very different models. But these models do have one thing in common: sports car status. That means they’re intended for the highway, not city driving. They’re too powerful and small and have low fuel-economy ratings, making them impractical for daily commutes. Save these vehicles for weekend getaways with your significant other.
Touring coupes, such as the BMW 128i coupe and the Mercedes Benz E350 coupe, will do better as your primary mode of transportation. Neither has stellar fuel-economy ratings -- the 128i gets 18/28 mpg, city/highway and the E350 gets 17/26 -- but their size, performance levels and the 128i’s price are much more practical. The E350’s V6 engine pumps 268 horsepower, while the 128i’s V6 pumps 230 horses.
Fuel Economy
If saving money at the pump is a priority, use the Environmental Protection Agency’s (EPA) website to check ratings for the vehicles you’re interested in. The EPA lists data for two- and four-wheel drive vehicles and even tells you how much you will spend on fuel each year.
Most luxury coupes don’t have exceptional fuel-economy ratings. The Audi A5 Coupe gets 21/31 mpg, city/highway, which is more than most other luxury coupes can boast. Fuel-economy ratings aren’t high for the Corvette and Carrera because these engines are designed for performance: the Corvette gets 16/26 mpg, city/highway while the Carrera gets 19/27 mpg, city/highway.
Comfort
Coupes can seat two, four or five people, but in most models, only the driver and front passenger will be comfortable. Coupes lack rear doors and their sloping rooflines make rear seats cramped. You should always test all the rear seats thoroughly to see if they’re comfortable enough for short trips. If not, don’t be afraid to pass up a model in favor of something roomier.
Most coupes fit two comfortably in the front, but watch out for models with super small dimensions. Drivers and passengers who are six feet tall or more may be cramped out of the smallest models.
Features
If you want a luxurious cabin, don’t buy a coupe built for sports enthusiasts, even if the cabin has plenty of front seat space. Instead, look at coupes that offer a lot of tech features that make the cabin livable. The Infiniti G37 is a great example. This entry-level luxury car has standard leather seats, XM Radio, push-button start and MP3 playback capabilities, and you can equip it with a lot more. A sunroof, dual-zone temperature control, heated seats, a Bose sound system and navigation system are optional.
Utility
Like convertibles, coupes are not utilitarian vehicles, but their trunks can usually handle luggage for a weekend getaway for two or a week’s worth of groceries. At 7.4 cubic feet, the G37 coupe has one of the smallest trunks in the class. For more space check out the BMW 328i coupe’s 11 cubic feet. This isn’t much space considering sedans can offer up to 16 cubic feet, so it’s important to buy a model with a decent amount of interior storage. Look for spacious glove compartments and deep center consoles. Even if the rear seats aren’t fit for passengers, going for a coupe with back seats can increase your cargo space, especially if the rear seats fold down.

RUF Developing Electric Test Vehicles Based on the Porsche 911 Carrera

Porsche tuner RUF Automobile is developing ten electric vehicles with three different powertrains based on the 911 Carrera (997), which will be put to the test in “real life situations”. The prototypes are being manufactured in cooperation with German electronics giant Siemens AG and are going to be presented in the first half of 2011. The three eRUF variants feature a single motor concept, twin motor concept with 2-speed gearbox and twin motor concept with torque vectoring.

The first powertrain comprises a 180 kW (241HP) electric motor, 29 kWh lithium-ion battery and standard Porsche gearbox used for speed reduction. The setup offers an estimated driving range of 150 km (93 miles) and decent performance: 0 to 100 km/h (62 mph) in 7 seconds and a top speed of 220 km/h (137 mph).

The prototypes using the twin motor concept are even faster, reaching 100 km/h (62 mph) in about 5 seconds, while also maxing out at 220 km/h or 137 mph. Two synchronous electric motors deliver 250 kW (335HP) and are coupled to a 2-speed automatic transmission. The more potent battery pack (36,6 kWh) extends the driving range to 200 km (124 mph).

Last but not least, the third variant uses the same twin motor setup, while adding torque vectoring into the mix as well. Engineers mounted two separate gearboxes into the car, each powering a rear wheel. Acceleration and driving range are the same, however estimated top speed decreases to about 180 km/h (112 mph).

The field test are expected to provide important data on the different battery and powertrain setups, which will be handed over to the German Federal Ministry of the Environment, also involved in the project.

By Csaba Daradics

Source: RUF via Autoblog

eRUF variants [Press Release]

1. Single Motor Concept
- Base vehicle, Porsche 997 Carrera
- Electric motor (180 kW) and inverter from Siemens AG
- Porsche production gearbox used for speed reduction
- Lithium-ion batteries with an energy capacity of 29 kWh
- Integrated charger, DCDC-converter, plug, socket and charging cable
- interior heating
- Data recording unit for analysis and documentation of the charging/ discharging, journey and component data
- Driving range approximately 150 km, maximum speed about 220 km/h, acceleration from 0 to 100 km/h in about 7 seconds
2. Twin Motor Concept with 2-speed Gearbox
- Base vehicle, Porsche 997 Carrera
- Two transversely mounted Siemens synchronous electric motors (250 kW) with double inverters
- Automatic 2 speed gearbox, limited slip differential
- Liquid cooled and heated lithium ion battery with an energy capacity of 36,6 kWh
- Integrated charger, DCDC-converter, plug, socket and charging cable
- interior heating
- Data recording unit for ananlysis and documentation of the charging/ discharging, journey and component data
- Driving range approximately 200 km, maximum speed about 220 km/h, acceleration from 0 to 100 km/h in about 5 seconds
3. Twin Motor concept with Torque Vectoring
- Base vehicle, Porsche 997 Carrera
- Two transversely mounted Siemens synchronous electric motors (250 kW) with double inverters
- Two seperate angular bevel gearboxes for independent rear wheel drive
- Liquid cooled and heated lithium ion battery with an energy capacity of 36,6 kWh
- Charging via inverter, DCDC-converter, plug, socket and charging cable
- interior heating
- Data recording unit for analysis and documentation of the charging/discharging, journey and component data
- Driving range approximately 200 km, maximum speed about 180 km/h, acceleration from 0 to 100 km/h in about 5 seconds

Porsche to Unveil New Full Hybrid Model at Geneva Show, Can You Guess What it is?

Porsche is continuing its foray into the eco-friendly segment with a new full parallel hybrid vehicle that’s headed for the Geneva show, according to a statement released today. However, the Germans are keeping specific details hush-hush, only stating that the new model is set to build on the success of the Cayenne S Hybrid and “signals a new chapter” in the brand’s “Porsche Intelligent Performance” philosophy.

While we can’t confirm anything, signs point to a hybrid version of the Panamera four-door coupe, which was last mentioned (but long ago teased) at the end of January. Porsche then said that it’s considering a diesel-powered Cayenne for the States, which could be followed by diesel and gasoline-electric hybrid Panamera variants as well.

Given the Cayenne S Hybrid reference, it’s possible that the Panamera hybrid will use a similar powertrain setup with the SUV model, which features a 333HP 3.0-liter supercharged V6 gasoline engine and a 47HP (34 kW) electric motor for a combined output of 380HP (279 kW) and 580 Nm (428 lb-ft) of peak torque.

Porsche will also display in Geneva the 918 RSR hybrid racing car concept and hardcore Cayman R, plus the recently introduced 911 Black Edition and Boxster S Black Edition.

By Csaba Daradics

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Porsche 911 Awards

In 2004, Sports Car International named the 911 number three on the list of Top Sports Cars of the 1960s, the Carrera RS number seven on the list of Top Sports Cars of the 1970s, and the 911 Carrera number seven on the list of Top Sports Cars of the 1980s. In addition, the 911 was voted Number 2 on Automobile Magazine's list of the "100 Coolest Cars". The 997 was nominated for the World Car of the Year award for 2005.

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Porsche 911 GT2 Full Review

In 1993, Porsche had experimented with the use of a turbocharged 911 in international motorsports with the use of the extensively modified turbo 964, named the Turbo S LM-GT. Seeing the potential of the car not only to be fast and reliable, as well as customer demand for a car to replace the 964 generation Carrera RSRs, Porsche chose to develop the turbocharged 993 for customer use.

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The 993 GT2 race car would featured a stripped interior, built-in rollcage for safety, minor adjustments to the bodywork and wings in order to decrease weight as well as increase downforce, as well as wider fenders to handle racing slicks. The suspension would be modified to better handle racing use, while the engine would be slightly tweaked for endurance use. Twin KKK turbochargers running mandated air restrictors allowed for 450 hp (336 kW).

Porsche 911 GT3 Specs

n GT3 configuration, this so called "split" crankcase (meaning the parting line of crankcase is on the crankshaft centerline) uses, instead of a fan and finned cylinders, separate water jackets added onto each side of the crankcase to cool banks of three cylinders with water pumped though a radiator.
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Thus, the GT3 engine is very similar to the completely water cooled 962 racing car's engine, which is also based on this same crankcase. The 962 differs, however, by using 6 individual cylinder heads while the GT1/GT3, like the air and water cooled Porsche 959, uses 2 cylinder heads, each covering a bank of 3 cylinders. The GT3 engine could thus also be thought of as similar to a 959 engine, but with water-cooled cylinders.