MPG by Model

MakesPorsche718

Porsche 718 MPG

Its best-rated version reaches 24 MPG combined in 2021–2025, the 718 Boxster. Its weakest year peaked at 19 MPG (2020).

Porsche 718: best and lowest EPA combined MPG of its versions, model years 2020–2025152025MPG20212020202524 MPG peaklowest peak 19Porsche 718: best and lowest EPA combined MPG by model year152025MPG202020222025
lowest to best versionbest versionmedian of its classengine list turned over
625.0 gal

a year at 15,000 miles for the best 2025 version, the 718 Boxster. Put it next to its 2020 predecessor, at your own mileage.

Compare in gallons

The Porsche 718 has EPA ratings for six model years, 2020–2025, every one of them among two-seater cars. Its best version ranked fourth of 19 two-seater cars in 2024, behind the class leader, the Mazda MX-5 Miata, and it placed in its class top five in four model years.

Among 19 two-seater cars, 2025

The 718 placed fourth. The class leader was the Mazda MX-5 Miata at 29 MPG. The next higher rating, 27 MPG, belongs to the Toyota GR Supra.

Best EPA combined MPG of each of the 19 two-seater cars rated for 20251015202530718 24median 18MX-5 MiataBest EPA combined MPG of each of the 19 two-seater cars rated for 20251015202530718 24median 18

Where the engine list turned over

  • 2021

    New: 2.0-liter 4-cylinder, 2.5-liter 4-cylinder. Best rating 19 → 24 MPG.

All 6 model years, best and lowest version
Model yearsBest versionCombinedCity / hwyLowest versionVersions
2024–2025718 Boxster2421 / 271614
2023718 Boxster2421 / 271621
2021–2022718 Boxster2421 / 271920
2020718 Cayman GT41916 / 23192

Version names in the EPA list: 718 Boxster, 718 Boxster GTS, 718 Boxster S, 718 Boxster T, 718 Cayman, 718 Cayman GT4, 718 Cayman GTS, 718 Cayman S, 718 Cayman T, 718 GT4 RS, 718 Spyder, 718 Spyder RS.

Same class, 2025

Mazda MX-5 Miata29 MPGToyota GR Supra27 MPGNissan Z22 MPGBugatti Mistral9 MPG

Read next: How EPA MPG ratings changed from 1984 to 2026 · How to read this page