Porsche 718 Cayman GTS Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2025

21 MPG combined

Latest Model

2025

21 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2025	Premium	19	24	21	$3,900	Details →
2024	Premium	19	24	21	$3,900	Details →
2023	Premium	19	24	21	$3,900	Details →
2022	Premium	19	24	21	$3,900	Details →
2021	Premium	19	24	21	$3,900	Details →