Porsche Cayman MPG by model year

Combined EPA ratings for each Porsche Cayman model year. Years with identical ratings are grouped together.

Model year	Combined MPG	Best hwy	Versions
2020	21–24 MPG	27	6
2018–2019	21–25 MPG	29	6
2017	22–25 MPG	29	4
2016	20–25 MPG	31	7
2015	22–25 MPG	31	6
2014	22–25 MPG	31	4
2012	21–23 MPG	29	6
2011	22–23 MPG	29	4
2009–2010	22–24 MPG	29	4
2007–2008	21–23 MPG	29	5
2006	21 MPG	26	2

Model years before 2005 are listed for reference without a separate page.

Source: U.S. Environmental Protection Agency and U.S. Department of Energy, fueleconomy.gov. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.