MPG Atlas

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Porsche Cayman MPG

EPA fuel economy for 69 Porsche Cayman trims sold from 2006 to 2020. Best ever: 25 MPG (2019 Cayman). Latest model year 2020: 21 to 24 MPG combined across 6 trims.

25best combined MPG (2019)
22 / 29city / highway of the best trim
20lowest combined MPG (2016)
15model years rated
$3,230a year to fuel, cheapest 2020 trim at EPA prices

Porsche Cayman fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $5.16 a gallon for premium and 15,000 miles a year, the cheapest 2020 Porsche Cayman to fuel is the Cayman, 2.0 L, 4 cyl (24 MPG) at $3,230 a year. The Cayman S, 2.5 L, 4 cyl (21 MPG) costs $3,690, so the thriftier trim saves $460 a year and $2,300 over five years.

2020 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
Cayman2.0 L, 4 cylAuto (AM-S7)RWDPremium24$3,230cheapest
Cayman T2.0 L, 4 cylAuto (AM-S7)RWDPremium23$3,370+$140
Cayman2.0 L, 4 cylManual 6-spdRWDPremium22$3,520+$290
Cayman S2.5 L, 4 cylAuto (AM-S7)RWDPremium22$3,520+$290
Cayman T2.0 L, 4 cylManual 6-spdRWDPremium22$3,520+$290
Cayman S2.5 L, 4 cylManual 6-spdRWDPremium21$3,690+$460

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Porsche Cayman MPG by year

YearBest combinedCityHwyBest trim that yearTrims
2020242127Cayman, 2.0 L, 4 cyl, Auto (AM-S7)6
2019252229Cayman, 2.0 L, 4 cyl, Auto (AM-S7)6
2018252229Cayman, 2.0 L, 4 cyl, Auto (AM-S7)6
2017252229Cayman, 2.0 L, 4 cyl, Auto (AM-S7)4
2016252231Cayman, 2.7 L, 6 cyl, Auto (AM-S7)7
2015252231Cayman, 2.7 L, 6 cyl, Auto (AM-S7)6
2014252231Cayman, 2.7 L, 6 cyl, Auto (AM-S7)4
2012232029Cayman, 2.9 L, 6 cyl, Auto 7-spd6
2011232029Cayman, 2.9 L, 6 cyl, Auto 7-spd4
2010242029Cayman, 2.9 L, 6 cyl, Auto 7-spd4
2009242029Cayman, 2.9 L, 6 cyl, Auto 7-spd4
2008232029Cayman, 2.7 L, 6 cyl, Manual 5-spd5
2007232029Cayman, 2.7 L, 6 cyl, Manual 5-spd5
2006211825Cayman S, 3.4 L, 6 cyl, Auto 5-spd2

Every Porsche Cayman trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
2020Cayman2.0 L, 4 cylAuto (AM-S7)RWDPremium212724375$3,230
2020Cayman T2.0 L, 4 cylAuto (AM-S7)RWDPremium212723380$3,370
2020Cayman2.0 L, 4 cylManual 6-spdRWDPremium202622394$3,520
2020Cayman S2.5 L, 4 cylAuto (AM-S7)RWDPremium192522410$3,520
2020Cayman T2.0 L, 4 cylManual 6-spdRWDPremium202622394$3,520
2020Cayman S2.5 L, 4 cylManual 6-spdRWDPremium192421423$3,690
2019Cayman2.0 L, 4 cylAuto (AM-S7)RWDPremium222925353$3,100
2019Cayman2.0 L, 4 cylManual 6-spdRWDPremium212824369$3,230
2019Cayman S2.5 L, 4 cylAuto (AM-S7)RWDPremium212824372$3,230
2019Cayman GTS2.5 L, 4 cylAuto (AM-S7)RWDPremium202622400$3,520
2019Cayman S2.5 L, 4 cylManual 6-spdRWDPremium202622401$3,520
2019Cayman GTS2.5 L, 4 cylManual 6-spdRWDPremium192521413$3,690
2018Cayman2.0 L, 4 cylAuto (AM-S7)RWDPremium222925353$3,100
2018Cayman2.0 L, 4 cylManual 6-spdRWDPremium212824369$3,230
2018Cayman S2.5 L, 4 cylAuto (AM-S7)RWDPremium212824372$3,230
2018Cayman GTS2.5 L, 4 cylAuto (AM-S7)RWDPremium202622400$3,520
2018Cayman S2.5 L, 4 cylManual 6-spdRWDPremium202622401$3,520
2018Cayman GTS2.5 L, 4 cylManual 6-spdRWDPremium192521413$3,690
2017Cayman2.0 L, 4 cylAuto (AM-S7)RWDPremium222925353$3,100
2017Cayman2.0 L, 4 cylManual 6-spdRWDPremium212824369$3,230
2017Cayman S2.5 L, 4 cylAuto (AM-S7)RWDPremium212824372$3,230
2017Cayman S2.5 L, 4 cylManual 6-spdRWDPremium202622401$3,520
2016Cayman2.7 L, 6 cylAuto (AM-S7)RWDPremium223125352$3,100
2016Cayman GTS3.4 L, 6 cylAuto (AM-S7)RWDPremium213025359$3,100
2016Cayman2.7 L, 6 cylManual 6-spdRWDPremium202924376$3,230
2016Cayman S3.4 L, 6 cylAuto (AM-S7)RWDPremium212924372$3,230
2016Cayman GTS3.4 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2016Cayman S3.4 L, 6 cylManual 6-spdRWDPremium202722397$3,520
2016Cayman GT43.8 L, 6 cylManual 6-spdRWDPremium182320446$3,870
2015Cayman2.7 L, 6 cylAuto (AM-S7)RWDPremium223125352$3,100
2015Cayman GTS3.4 L, 6 cylAuto (AM-S7)RWDPremium213025359$3,100
2015Cayman2.7 L, 6 cylManual 6-spdRWDPremium202924376$3,230
2015Cayman S3.4 L, 6 cylAuto (AM-S7)RWDPremium212924372$3,230
2015Cayman GTS3.4 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2015Cayman S3.4 L, 6 cylManual 6-spdRWDPremium202722397$3,520
2014Cayman2.7 L, 6 cylAuto (AM-S7)RWDPremium223125352$3,100
2014Cayman2.7 L, 6 cylManual 6-spdRWDPremium202924376$3,230
2014Cayman S3.4 L, 6 cylAuto (AM-S7)RWDPremium212924372$3,230
2014Cayman S3.4 L, 6 cylManual 6-spdRWDPremium202722397$3,520
2012Cayman2.9 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2012Cayman R3.4 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2012Cayman S3.4 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2012Cayman2.9 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2012Cayman R3.4 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2012Cayman S3.4 L, 6 cylManual 6-spdRWDPremium192621423$3,690
2011Cayman2.9 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2011Cayman S3.4 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2011Cayman2.9 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2011Cayman S3.4 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2010Cayman2.9 L, 6 cylAuto 7-spdRWDPremium202924370$3,230
2010Cayman S3.4 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2010Cayman2.9 L, 6 cylManual 6-spdRWDPremium192722404$3,520
2010Cayman S3.4 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2009Cayman2.9 L, 6 cylAuto 7-spdRWDPremium202924370$3,230
2009Cayman S3.4 L, 6 cylAuto 7-spdRWDPremium202923386$3,370
2009Cayman2.9 L, 6 cylManual 6-spdRWDPremium192722404$3,520
2009Cayman S3.4 L, 6 cylManual 6-spdRWDPremium192622404$3,520
2008Cayman2.7 L, 6 cylManual 5-spdRWDPremium202923386$3,370
2008Cayman2.7 L, 6 cylManual 6-spdRWDPremium192822404$3,520
2008Cayman2.7 L, 6 cylAuto 5-spdRWDPremium192621423$3,690
2008Cayman S3.4 L, 6 cylAuto 5-spdRWDPremium182521423$3,690
2008Cayman S3.4 L, 6 cylManual 6-spdRWDPremium182621423$3,690
2007Cayman2.7 L, 6 cylManual 5-spdRWDPremium202923386$3,370
2007Cayman2.7 L, 6 cylManual 6-spdRWDPremium192822404$3,520
2007Cayman2.7 L, 6 cylAuto 5-spdRWDPremium192621423$3,690
2007Cayman S3.4 L, 6 cylAuto 5-spdRWDPremium182521423$3,690
2007Cayman S3.4 L, 6 cylManual 6-spdRWDPremium182621423$3,690
2006Cayman S3.4 L, 6 cylAuto 5-spdRWDPremium182521423$3,690
2006Cayman S3.4 L, 6 cylManual 6-spdRWDPremium182621423$3,690

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 2020 Two Seaters

VehicleCombinedCityHwy
2020 Fiat 124 Spider302635
2020 Mazda MX-5302635
2020 Alfa Romeo 4C282434
2020 BMW Z4 sDrive30i272432
2020 BMW I8 Roadster272629
2020 Mercedes-Benz SLC300272332

All Two Seaters ranked by MPG

Questions people ask

What is the best MPG for a Porsche Cayman?

The most efficient Porsche Cayman the EPA has rated is the 2019 Cayman at 25 MPG combined (22 city, 29 highway).

What MPG does the 2020 Porsche Cayman get?

2020 Porsche Cayman trims range from 21 to 24 MPG combined, depending on engine, transmission and drivetrain.

Which Porsche Cayman has the worst fuel economy?

The 2016 Cayman GT4 is the lowest rated at 20 MPG combined.

How much does it cost to fuel a Porsche Cayman for a year?

At $5.16 a gallon for premium and 15,000 miles a year, the cheapest 2020 Porsche Cayman to fuel is the Cayman, 2.0 L, 4 cyl (24 MPG) at $3,230 a year. The Cayman S, 2.5 L, 4 cyl (21 MPG) costs $3,690, so the thriftier trim saves $460 a year and $2,300 over five years.

More from Porsche: every Porsche model. Fuel types on this model: Premium. EPA classes: Two Seaters.