Yahoo Autos Fuel Economy and Driving Range
Fuel Economy Rating:
Despite lopping off two cylinders from 2016’s engines, the four-cylinder 718 Cayman is no more fuel efficient than the six-cylinder model before it. That being said, the 718 Cayman sips fuel at a reasonable rate given its potent performance.
What’s New for 2018?
The 718 Cayman and Cayman S’s EPA fuel-economy ratings are unchanged for 2018. The new GTS trim isn’t as efficient as the other two-at least as far as the EPA is concerned.
Fuel Economy Ratings Compared
We’ve devised our own fuel-economy test in an attempt to replicate how most people drive on the highway. Our procedure entails a 200-mile out-and-back loop on Michigan’s I-94 highway. We maintain a GPS-verified 75 mph and use the cruise control as much as possible to mimic the way many drivers behave during long trips.
Test Results: Highway Fuel Economy
Test Results: Highway Range
The fuel economy ratings for the 2018 Porsche Cayman are unchanged from 2017. To learn more about the fuel-economy ratings, read our in-depth review of the 2017 Porsche Cayman and Cayman S.
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