Porsche has been making GT cars for 20 years, and its latest offering is the 2020 718 Cayman GT4 - its mid-engined sports car which returns with a naturally-aspirated flat-six engine. Praise be. But while it's a great Cayman, just how good is it when compared to other great Porsche GT cars?

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We brought along two of the best: the 997.2 GT3RS 3.8-litre, one of the finest Porsche 911s ever to have a numberplate, and the 991.2 GT2RS, with its 700hp twin-turbocharged six-cylinder making it the most powerful GT Porsche to date.

Which is best? And is there something about the way GT Porsches drive that links these three great cars together? Join us as we find out.

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