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Porsche 911 Aerodynamic prototype cheated the wind ahead of its time

You might think that sports cars would have the lowest drag coefficient of all cars. And yes, they do tend to be more slippery than, say, SUVs or convertibles, but the sleekest vehicles on the road tend to be EVs, hybrids and luxury sedans. Sports cars, on the other hand, have aerodynamically detrimental needs for downforce and additional engine cooling. Still, the Porsche 911 is better than most, and has only gotten more so over the years. Its relatively narrow track and compact form mean it has a smaller frontal area than some other sports cars, and the gradual sweeping back of its headlights and windshield have only augmented its capacity for cheating the wind.
This 911 prototype, however, is even more aerodynamic than most. It's based on a "G model" 911 from 1984, but employed such features as covered wheels, a new rear spoiler and a reprofiled front end to drop its drag coefficient from 0.40 to 0.27, making it as slippery as a modern sedan and better at cheating the wind than just about anything built up to that point, save for maybe the Tatra 77, Citroën SM or Tucker Torpedo.
Elements of this prototype ended up gradually making it into production Porsches for years to come, and you can clearly see early influences on the second-generation 964 and even on the 959. It's featured here as the latest installment in a video series on rare historic Porsches unearthed from the company archives, following previous clips that featured a rare V8-powered 911 and a mid-engined 911 prototype. Scope out the latest episode in the video below.

2015 Porsche 911 GTS starts at $114,200*

Purists often criticize Porsche for creating products like the Cayenne, Panamera and recently launched Macan, saying they dilute the true sports car spirit of the brand. It's an argument we've heard before, and one we counter with two points. First: No they don't. And second: These are Porsche's volume superstars, and the money they rake in allows the company to create dozens of versions of its well-liked sports cars. Want proof? Have a look at the gallery above, where you'll see four new versions of the 911, all with GTS badges on their rumps. This means Porsche now offers 19 versions of the 911. Nineteen.
Porsche offered a GTS version of the 911 in its previous generation, and this new one seeks to slot somewhere between the standard car and the hardcore GT3. It's available in coupe and cabriolet forms, with either rear- or all-wheel drive, starting at $114,200, *not including $995 for destination. The GTS Cabriolet comes in at $126,100, while models equipped with AWD will set you back $120,900 or $132,800 for the coupe or convertible, respectively.
All GTS models get the 430-horsepower version of the Carrera S' 3.8-liter flat-six with the Powerkit, which also includes the Sport Chrono package and the sport exhaust. If equipped with the PDK dual-clutch transmission, the 911 GTS will hit 60 miles per hour in just 3.8 seconds (or four seconds flat, if you've got the Cabriolet) - one tenth of a second quicker than the normal Carrera S. The car's top speed varies, depending on trim or transmission, but Porsche says the car will hit anywhere from 187 to 190 mph, flat out.

2014 Porsche 911 Turbo Cabriolet spotted testing in the nude

The Porsche 911 wouldn't be the Porsche 911 unless there were twenty-something different models to choose from (note: we are not complaining), and the latest one was just spied by our trusty photographers out on Germany's Nürburgring. Feast your eyes on the 911 Turbo Cabriolet - the droptop version of the new Turbo wonder that debuted in May - looking all sorts of stealth in its black-on-black-on-black prototype scheme.
Mechanically, the 911 Turbo Cab should be identical to the fixed-roof version, meaning a twin-turbo 3.8-liter flat-six engine will live in the car's rump, putting out something like 520 horsepower. Of course, there's also the hotter Turbo S version of the coupe, and we expect that to get the droptop treatment, as well, with 560 horsepower on tap. The added weight of the folding top and additional structural supports will likely make for slightly slower 0-60 times for both cars, though considering the base Turbo will hit 60 miles per hour in 3.2 seconds, "slower" is a very relative term indeed. All that force will run to the ground via all-wheel drive, managed by Porsche's seven-speed PDK dual-clutch transmission.
The wide stance of the 911 Turbo Coupe carries over to the Cabriolet, no doubt fitted with the same (standard) 20-inch wheels. Inside, the usual luxury amenities will be on hand, along with nearly endless customization options.