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'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.

Porsche 911 celebrates 50 years of iconic motoring

Back in 1963, Porsche debuted the very first 911 at the Frankfurt Motor Show. And over the last 50 years, that coupe has grown to become one of the most iconic sports cars of all time. That in mind, you could easily chalk up this 50th Anniversary model as just one of the many special edition 911s that have graced our roads over the years, but dig a bit deeper and you'll see that this one is far more than just some unique paint and different wheels.
For starters, the 911 50th Anniversary Edition utilizes the wider Carrera 4/4S body, but retains its standard rear-wheel-drive configuration. Power comes from the Carrera S' 3.8-liter flat-six engine, but features a Powerkit upgrade that includes the Sport Chrono package and ups overall output to 400 horsepower and 430 pound-feet of torque. Hitting 60 miles per hour takes just 3.8 seconds if the car is fitted with Porsche's dual-clutch PDK gearbox, or 4.2 seconds if you choose the row-your-own seven-speed manual. Talk about going Over The Hill with a quickness.
Despite looking pretty tame, we're really hot on the appearance of this special 911, with its throwback flat gray paint job and new 20-inch wheels that look remarkably similar to the original Fuchs alloys of the 1963 model. Inside, you'll find green lettering on the instrument displays, white pointer needles and silver accents, and the leather seats have a fabric insert that's similar to the Pepita cloth from the original 911.

Chris Harris hits the track with the Porsche Cayman GT4

The Porsche Cayman GT4 offers the first legitimate chance for Porsche's more compact coupe to really step out of the long shadow of its brother the 911. By placing the 385-horsepower Carrera S engine into the center of a Cayman and sweetening the package with a ton of truly high performance parts, the model can now really show off. The ever-enthusiastic Chris Harris puts on quite a display behind the wheel of the German brand's latest hardcore creation. As is his wont, Harris slides the GT4 all over the Portimao circuit with little wisps of smoke wafting up from its rear Michelin tires. However, what he gets really excited about is Porsche's decision to fit a real manual gearbox, rather than the PDKs rapidly taking over the company's highest performance vehicles. For anyone who loves seeing a sports car's oily bits, stay tuned all the way through because after hooning around for awhile, Harris puts the model up on a lift to find out what's so special. Porsche touts the GT4's 911 GT3-derivied front suspension, but this really shows just how many mechanical adjustments it offers the demanding driver. Related Video: