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Porsche testing four-cylinder Boxster at the N?rburgring

Porsche recently introduced a four-cylinder version of the new Macan for markets outside of North America, carrying Zuffenhausen's first four-pot since the 968 ended its production run the better part of two decades ago. But you can bet the compact crossover won't be the only Porsche to get the four banger before all's said and done. These spy shots, we're told, are evidence of just that.
Spotted undergoing testing at the Nürburgring (where else), this modified Boxster, our spy photographers tell us, sounds more like a four-cylinder engine than the flat six that's powered (in displacements ranging from 2.5 liters to 3.4) every version of the little roadster since its introduction in 1996, the year after the last four-cylinder Porsche ended production.
The test mule is also wearing modified wheel arches and aerodynamic aids under the bumpers, front and rear. Just what they're doing there we're not sure, but we'll probably find out sooner or later.

'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.

Porsche 918 Spyder officially priced from $845K, Weissach package $84K more

Porsche has released official pricing for its entire lineup of 2013 models, which just happens to include the upcoming 918 Spyder hybrid supercar. The 795-horsepower advanced-technology-lab-on-wheels is now officially confirmed to have a starting price of $845,000 in the US, which is the exact amount we were told earlier when we had the opportunity to ride shotgun in some 918 Spyder pre-production test vehicles.
What we didn't know at the time was the cost of the Weissach trim package, which is a high-performance upgrade to the standard vehicle that includes the deletion of some interior amenities and addition of lighter-weight carbon fiber appointments, magnesium wheels, flame-resistant upholstery, racing belts and aerodynamic aids - it's meant for track-going folk who intend to use their 918 Spyders as God, country and manufacturer intended.
All told, the Weissach package should drop the 918 Spyder's curb weight by some 80 pounds, while also lightening your wallet of an additional $84,000 - the car's MSRP with the Weissach package is $929,000. These prices don't, however, include destination charges, which, for something like the very limited edition 918 Spyder (only 918 will be made), could very well cost considerably more than your average Porsche.