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Matt Prior tests the new Porsche Cayman GT4, which gets 380bhp from its 3.8-litre flat six engine, to answer one simple question - is this the greatest Cayman ever made?
Autocar, the world's leading motoring magazine and website, delivers industry-leading news, the most in-depth car reviews and opinion from our team of experts. Our presenters include some of the world's top motoring journalists who have unrivalled access to the