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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 reveals new Panamera Turbo S ahead of Tokyo debut

For many buyers in the market for a luxury sports sedan, style is as important as performance. But while the Porsche Panamera undoubtedly delivers in the latter category, it falls somewhat short in the former. Porsche went to some lengths (if not quite far enough for some tastes) to improve its four-door model's visual appeal with the facelift revealed earlier this year, but now it's time to up the performance game with the new Panamera Turbo S.
Set to be revealed at the Tokyo Motor Show in just a few weeks from now, the new top-tier Panamera benefits from several key upgrades over the existing Turbo and the pre-facelift Turbo S. For one, its 4.8-liter twin-turbo V8 now produces 570 horsepower (up from 520 in the new Turbo and 550 in the old Turbo S and the latest Cayenne Turbo S) and 553 pound-feet of torque (up from the current Turbo's 516 but the same as the previous model). Despite the power boost, however, Porsche is quoting the same 3.6-second 0-60 time for the new Panamera Turbo S as it did for the previous one - but then that hardly required improvement in the first place. Top speed, however, is up to 192 miles per Autobahn-blurring hour, two mph faster than the previous model.
Other features include carbon-ceramic brakes (hopefully with more durable bolts than sister companies Lamborghini and Bentley have been using) packed inside the wheels from the 911 Turbo and an exclusive shade of greige called Palladium. And for the first time, customers will be able to order this top-spec model in long-wheelbase Executive trim. But don't expect it to come cheap: MSRP (before delivery and options) is quoted at $180,300 for the standard wheelbase and $200,500 for the stretched model. That's two and a half times the price of a base Panamera, and makes the new Panamera Turbo S Executive both the most expensive and most powerful Porsche your can buy this side of a 918 Spyder. Haven't passed out yet? There's more to digest in the press release, so head on down below to take it all in.

2014 Porsche 911 Targa takes its crop-top off in Motor City

Back in 1965, Porsche invented the 911 Targa as a matter necessity. Believing that a finicky National Highway Traffic Safety Administration was prepared to outlaw convertibles, the innovative automaker created the half-open car as a way to keep wind rushing through owners' hair. Though far removed from those formative days, it seems as though the 2015 Porsche 911 Targa has come to the Detroit Auto Show with a new-school version of some old-school tech.
While the last Targa featured a trick sliding glass roof at the touch of the button, the new car dramatically swallows a traditional-looking panel via an exceptionally complex-looking mechanical operation. The net result is "the same fun factor and freedom" that can be had with a complete convertible, though with slightly more open-driving protection while underway.
And, as is the case with all of the current 911 range, getting underway can be done with reasonable rapidity. The entry-level Targa 4 rocks a 350-horsepower, 3.4-liter flat-six engine just behind the rear axle, making that car good for 175 miles per hour at the top end (with the seven-speed manual, 174 mph with PDK) and a 0-to-60 sprint of 4.6 seconds. The Targa 4S, meanwhile, offers 400 horsepower from 3.8-liters of boxer six, runs to 60 in 4.2 seconds and hits a top "track speed" of 183 mph.