Most probably a new 6 cylinder engine, WTLP certified, that could be used in the new Cayman 6, Spyder and GT4. An evolution of the current Spyder/GT4 engine. What else may cause such a delay? A bespoke engine for the GT4 only doesn't make sense financially.


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2016 Cayman GT4 - 1992 964 Carrera 2 - 2016 Macan S Diesel - 2018 Mini JCW