The most fearsome, trackworthy Porsche is no longer the naturally aspirated GT3. If Nürburgring Nordschleife lap times mean anything to you, the wondrously capable 918 Spyder has also been eclipsed. The latest King of the ‘Ring and sharpest weapon in the Porsche lineup is the $294,250 911 GT2 RS, a twin-turbocharged, 700 horsepower, rear wheel-drive monster that demolished a lap of the 12.9-mile 'Ring in 6:47.3.