If the GT4 RS is still not powerful enough for you, BGB Motorsports will stick a 911 Turbo S engine in your Cayman.

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Old school analog style, or brand-new Porsche? These polar opposites both put up a compelling case for themselves as $100,000 sports cars.

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Today, a unit from 2015 or 2016 gets you into one of the final Boxster or Cayman models with a flat-six engine in the middle. Once the 2017 model year rolled around, the new-gener ...