2004 Porsche Boxster S Convertible 2-door 3.2l, 18" Alloy Carrera Wheels 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.

'Faster. Farther.' dives into the history of Porsche racing tech

No doubt, Porsche has produced some of the best endurance racecars around, such as the turbocharged, slant-nose 935 of the 1970s and the ground-effects-enhanced 956 and 962 of the 1980s. But the company's most famous racecar, its first overall winner at the 24 Hours of Le Mans, was the 917.
The 917 embodied many of Porsche's technological achievements up to that point, such as the company's first 12- and 16-cylinder engines (the flat-16 was never used in competition), fiberglass bodies that implemented early aerodynamic practices and the use of new, exotic materials, such as magnesium and titanium.
The racecar was commissioned by the head of Porsche Motorsports, Ferdinand Piëch, to win overall at the 24 Hours of Le Mans in 1970, after he realized a loophole in the rules that allowed cars to compete with engines up to five liters in the Sport category if they were also production models. Piëch saw opportunity: the top prototype class was restricted to three liters; the production minimum to compete in Sport was 25 cars. And so, with much effort, Porsche assembled 25 "production" 4.5-liter 917s and had them parked in a neat line for the race inspectors to verify their legitimacy. It didn't take long before people realized the new Porsches were much faster than the prototype racers, with a top speed approaching 250 miles per hour.

Magnus Walker turbocharges his love for the Porsche 911

He's had his fill of early, long-hood Porsche 911s - he owns at least one from each model year, from 1964 to 1973 - so Magnus Walker, a fanatic of the Stuttgart, Germany-based automaker, recently set his sights on the early Porsche 930, as documented by this XCAR video called 'Turbo Fever.' Let us translate: pretty soon Walker will own all of the earliest, non-intercooled 911 Turbos - at least one from each model year, starting at 1975 and ending at 1977 (though the 1975 911 Turbo Carrera never officially was imported to the US by Porsche, so it'll be tougher to find one Stateside).
Any Porsche enthusiast can tell you why they love their car, and it often comes down to the small details that differentiate one model year from another. One of many examples is the mid-'80s 928. They look similar, but the basic difference between a 1984 Porsche 928 S and a 1985 928 S (US-spec) is two camshafts and 54 horsepower, though each car's V8 has its own pros and cons. We'll let Magnus Walker tell you all about the 930 and what makes the first three years special, as he's becoming quite the expert on early, air-cooled 911s. When the nearly 15-minute mini-documentary was filmed, which you can view below, he already had added four early 930s to his collection!