2014 Porsche 911 Gt3 on 2040-cars

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Mercedes-AMG GT vs. Porsche 911 [w/poll]

Mercedes-Benz designed the AMG GT to compete head-on with the Porsche 911. It's a clear, singular purpose, and Benz brings a lot of money, technology and race-bred expertise to the fight.
The AMG GT is Merc's followup to the awesome SLS AMG, the retro-modern, gullwing-doored coupe that took us by storm half a decade ago. But this new GT coupe is a more focused sports car than the SLS, rather than an all out supercar capable of extreme performance. It's got a brand-new V8 engine, and state-of-the-art technology that help it to not only be a proper Mercedes, but to be a serious performer.
Mercedes will sell its new baby in two models. The GT S arrives first, in spring 2015, followed by the standard GT in mid-2016. Of course, there's room to grow from there. And while Porsche may have already expanded its 911 range to include a vast variety of models, here's how Stuttgart's icon stacks up against Affalterbach's bad boy.

Porsche Macan configurator lets you build $110k crossover

Part of the idea behind the new Porsche Macan is that it's less expensive than its larger sibling, the Cayenne. But with a starting MSRP of $49,900, the base Macan S is actually $300 more expensive than the cheapest Cayenne. That, however, is just the start, as you can see from the online configurator.
As is often the case with German cars in general (Porsches especially), tick the right boxes and you'll soon be leaving that base price behind in a cloud of tire smoke. Start off with the Macan Turbo and you're looking at a base MSRP of $72,300, which is already over twenty grand more than the naturally-aspirated version. But even that soon escalates as the options pile on.
Aurum Metallic paint will set you back $3,120. 21-inch wheels, another $3,300. You'll probably want the air suspension, torque vectoring, the Sport Chrono package, adaptive cruise control and lane-change systems, and those each add over a grand to the price. A Burmester surround sound system is the single most expensive option at $4,290. And if you choose them all - and choose all the optional trim packages - you'll soon be looking at a price in excess of $110,000. That's enough to get you into a Cayenne Turbo... assuming you don't tag on all the options to that one, too.

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.