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Porsche offering new tire option for Carrera GT

Let's face it: finding new tires for older cars can be challenging if tire manufacturers have stopped carrying the right sizes (this writer went through Hell to find a set of 205/60-13s). But what about tires for low-volume supercars, which use sizes that often won't fit on high-volume production vehicles? The Porsche Carrera GT isn't that old and tires are still available in the correct sizes, but the German automaker has shown its support of keeping them on the road by working with Michelin to give owners yet another tire option. Enter the Carrera GT-specific Pilot Super Sport.
It's common knowledge that tires are one of the most important pieces of the performance puzzle, and Porsche claims that the PSS tires, sized 265/35ZR-19 front and 335/30ZR-20 with Porsche's "N0" rating, will improve the Carrera GT's handling and stability all the way up to its claimed top speed of 205 miles per hour. That's important for a car with razor-sharp handling characteristics. They'll also net drivers a 10-percent increase in fuel economy on regular roads and up to 20 percent on racetracks, Porsche says.
The PSSs use cutting-edge tire technology to harness the Carrera GT's 610-horsepower. They have a dual-compound tread that's different from the inside of the tire to the outside, which, Porsche says, helps steering precision and increases maximum grip. Aramid fibers, which are lightweight but just as strong as steel, are used in the tire's belt to reduce unsprung weight.

2015 Porsche Macan Turbo

I knew it was a softball question, but I asked it anyway. It's pretty standard for automakers to offer up some examples of competitors when they invite the media to drive a new vehicle for the first time. If not stated outright, it's just as standard for some journalist to query about the competitive set as soon as the Q&A begins. I knew full well that Porsche believes it has a valuable new niche to itself with the 2015 Macan (and especially with the Macan Turbo), but I wanted to hear the answer to the competitor cars question anyway.
Porsche CEO Matthias Müller didn't hesitate for a second to respond. With a half-smirk appropriate to an executive that is about to launch the (very probably) most profitable and best-selling product in his brand's lineup he chuckled, "Of course, I could be arrogant and say this car has no competitors..."
Arrogant? Well, the grinning Müller certainly didn't give off a humble vibe as he proceeded to count down a list of German and British utility vehicles from various classes that are clearly behind the pace of the Macan in either looks, luxury, or sporting prowess - Range Rover Sport, BMW X3 and Mercedes-Benz GLK among them.

'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.