To think of the 911 as a single model in Porsche’s scintillating range of sporting vehicles would be a pretty egregious understatement. At last count, there were more than a dozen variations of this evergreen beauty, ranging from the $76,300 911 Carrera coupe to the $194,000, 204-mph 911 GT2. And this year, the artistes from Stuttgart add four more models to the mix. First up is the new 911 Turbo, in coupe and cabriolet versions. The new Turbo again features a twin-turbocharged horizontally opposed six-cylinder engine, but it’s enlarged from 3.6 liters to 3.8 and enhanced with direct fuel injection for improved throttle response and better fuel efficiency. Matched either to a traditional six-speed manual transmission or to Porsche’s lighting-quick seven-speed dual-clutch automatic, the engine delivers around 500 horsepower to all four wheels, sufficient to deliver car and driver to 60 mph in about 3.3 seconds, on their way to a 194-mph top speed.

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