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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.

The 2014 Porsche Cayenne Turbo S brings 50 extra ponies to Detroit

Porsche has announced a new version of its popular SUV today at the Detroit Auto Show: the 550-horsepower 2014 Cayenne Turbo S.
This newly minted "flagship" of the Cayenne lineup is powered by a twin-turbocharged 4.8-liter V8 engine, and offers 50 hp more than the Cayenne Turbo. Performance figures are impressive for the sleek utility vehicle: 0-60 miles per hour can be dashed off in 4.3 seconds, while maximum speed is rated at 175 mph. The Turbo S also gets dynamic chassis control, torque vectoring and Porsche's Sport Chrono package - all standard equipment.
Visually the Cayenne Turbo S differentiates itself from the lesser models in pretty subtle ways. Gloss black trim decorates the gawping front air intakes, as well as rear-view mirror trim panel. The SUV also wears 21-inch Turbo II wheels, a la the 911 Turbo.

Chris Harris pits Aston GT12 vs 911 GT3 RS vs McLaren 650S

The Geneva Motor Show is never lacking in exciting performance machinery. And this year was no exception. Our eyes, like those of Chris Harris, were drawn by two hardcore, track-focused versions of existing sports cars. Both wore the name GT3, and now Harris has brought them together for a supercar shootout. And he's thrown one more in for good measure. Those natural rivals are the Aston Martin Vantage GT12 and Porsche 911 GT3 RS, the latter manufacturer having pressed the former to drop the GT3 name to which it claims exclusive domain. There's a great deal that separates them, of course: one's got a V12 up front, the other a flat-six way in the back. But what binds them together is a common approach of taking an existing model, stripping it down, and tightening everything up to make it more of a weapon than a grand tourer. What that means in the Aston's case is a rather high price tag, much higher than that of the Porsche. But scarce demand and speculation on the open market have left British customers, at least, paying as much for the GT3 RS as for the limited-edition Aston. And that takes both into proper supercar territory. So to show what else that kind of money can get you, Monkey has brought along a McLaren. Not the similarly track-focused 675LT, but the standard 650S... Spider, no less, and with worn hard rubber. So which one performs best on the road? Which clocks the fastest lap time on the track? And which gets Harris' vote? You'll have to watch the video for yourself to find out, but it's well worth the 25 minutes of your lunch break. News Source: Chris Harris on Cars via YouTube Aston Martin McLaren Porsche Videos porsche 911 gt3 chris harris mclaren 650s