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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.

Porsche Cayman GT4 storms Switzerland with 385 hp [w/video]

Much as we love the Porsche 911 in all its variants, there's definitely a case to be made for the smaller Cayman as the best-driving sports car in the company's lineup. We adore it in all forms, and most recently fell madly in love with the new Cayman GTS. But here at the 2015 Geneva Motor Show, Porsche has unveiled a truly special, range-topping variant of its mid-engine coupe: the GT4. And after seeing it in person, we're pretty much head-over-heels in love. That's because the GT4 is the most hardcore variant of the Cayman yet, using a 385-horsepower version of Porsche's 3.8-liter flat-six, derived from the 911 Carrera S. It sends power to the rear wheels solely via a six-speed manual transmission with dynamic gearbox mounts, and we're told the hot new coupe will sprint to 60 miles per hour in just 4.2 seconds – a full half-second quicker than the 340-hp Cayman GTS. Building upon that, the GT4 uses a host of chassis components from the potent 911 GT3, and offers further upgrades like ceramic brakes and carbon fiber bucket seats. This should make for one seriously track-worthy machine, and Porsche already says that the GT4 will run the Nurburgring in a scant 7:20 – the same time as the 2011 911 GT3. It's all very awesome, this GT4. To say we're stoked would be a gross understatement. Look for it to hit Porsche dealers in July, starting at $84,600. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. A New Member of Porsche's GT Family The benchmark in its class: the Porsche Cayman GT4 Atlanta, Feb. 3, 2015 - Porsche's GT family is proud to announce the addition of an exciting new member: the Cayman GT4. This is the first Porsche GT sports car based on the Cayman and features components of the 911 GT3. Clocking a lap time of 7 minutes and 40 seconds on the North Loop of the Nurburgring, the Cayman GT4 earns the same lap time as the 2011 911 GT3 and positions itself as the new benchmark atop its market segment. The Cayman GT4 clearly demonstrates Porsche's dedication and passion to continue to promote truly industry-leading two-door sports cars in the future – sports cars that are developed at the Motorsport department in Weissach. The engine, chassis, brakes, and aerodynamic design of the Cayman GT4 are configured for maximum driving dynamics while retaining the versatility and everyday utility that are typical of the two-seater Porsche coupe.

'Latest production version' of Porsche 918 shown off on Twitter

Porsche posted a picture of what it is calling "the latest production version" of the 2015 Porsche 918 Spyder on Twitter. It looks like the gasoline-hybrid supercar is being driven sportively on some California back roads during Monterey Speed Week.
Whatever updates were made to this version aren't visual (except for the paint), as the one Chris Harris drove last spring and another seen hot-weather testing in Nevada both had production bodies. We presume the changes are relatively minor and more than skin deep - perhaps brake calibration, suspension tuning or tweaks to the powertrain - but Porsche didn't release any more information.
The 918 Spyder is Porsche's latest supercar, which will compete with the LaFerrari and the McLaren P1 hybrid supercars. The Porsche may be the underdog of the group when considering horsepower, acceleration, top speed and price, but the 887-horsepower brute has the most advanced hybrid drivetrain of the three.