Engines and gearboxes are generally reliable, although earlier cars had problems with the dual-clutch transmission, and owners complained about the quality of the paintwork.
The 2.0-litre Cayman is the most economical, unsurprisingly, with an official WLTP combined figure of 32.8mpg, although if you enjoy the car as much as you should, you’ll probably not see anywhere near that. Insurance groups are, as you might imagine, high and range from group 44 for the 2.0-litre car up to 50 for the GT4.
Need to know
Tax for cars registered before April 2017 will be based on CO2 emissions, while those registered after that date will incur a flat rate of £150 a year and a luxury car tax, currently £325 a year.
Servicing will be expensive and is best carried out by Porsche specialists. Some garages operate a fixed-price servicing plan, with costs for a minor service starting at £485 for a Cayman.
There was mixed news for Porsche in the most recent reliability survey by our sibling title What Car?. The Cayman’s open-top twin, the Boxster, came in third place in the sports car class but Porsche as a brand finished in a disappointing 23rd place out of 31 manufacturers.
718 Cayman: We love the S but, because it’s more expensive to buy, even used, we’d be quite happy with the regular 718 Cayman in real-world road driving. It’s a thing of huge delight.