How far can one wander from Porsche's vaunted 930 yet still wear the capital-t "Turbo" badge? The 2015 Cayenne Turbo is likely the answer. Cut from the same midcycle-refresh cloth as the six-pot Cayenne S, the Turbo adds a pair of cylinders to that model's equation. Before this year, the Turbo was the only path […]

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