Porsche knows that to keep up, a model has to keep evolving. For the latest 2015 evolution of the Cayenne Turbo S on display at the Detroit Auto Show, it now packs integral turbos housed directly in the exhaust manifolds. The move allows power to grow to 562 horsepower and 590 pound-feet of torque, while shedding a half-second off the sprint to 60. The German brand also claims that the improved version can lap the Nurburgring Nordschleife in a blink less than eight minutes.
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