Are the GTS versions of the Porsche Cayman and Boxster worth the extra money? And which is best: the Cayman or the Boxster? Porsche Cayman GTS review: http://bit.ly/QiZCeV Subscribe to our YouTube channel http://bit.ly/11Ad1j1 Subscribe to the mag http://subscribe.autoexpress.co.uk/yt The decision of whether to buy the Porsche Boxster S or Cayman S has just become harder, thanks to the arrival of
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