Fuel economy & running costsGasoline
#62 of 1,602 · Porsche cars
2025 Porsche718 Boxster S
Two Seaters · Rear-Wheel Drive · 2.5 L 4-cyl turbo
21MPGcombined
19city
24highway
A year of fuel$3,900
CO₂ from the tailpipe423 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 1,602 porsche cars
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Summary
2025 Porsche 718 Boxster S by Porsche. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 2025fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 21fueleconomy.gov · 3 Oct 2026
- City MPG
- 19fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 24fueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $3,900fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 423 g/mifueleconomy.gov · 3 Oct 2026
Car
- Body
- Carfueleconomy.gov · 3 Oct 2026
- EPA class
- Two Seatersfueleconomy.gov · 3 Oct 2026
- Drive
- Rear-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 2.5 L 4-cyl turbofueleconomy.gov · 3 Oct 2026
- Transmission
- Manual 6-spdfueleconomy.gov · 3 Oct 2026
- Fuel
- Gasolinefueleconomy.gov · 3 Oct 2026
More porsche cars
See the list
#1 2026 · Porsche 911 Carrera 21Combined MPG $3,900Fuel / year #2 2026 · Porsche 911 Carrera 4 GTS 19Combined MPG $4,350Fuel / year #3 2026 · Porsche 911 Carrera 4 GTS Cabriolet 19Combined MPG $4,350Fuel / year #4 2026 · Porsche 911 Carrera 4S 20Combined MPG $4,100Fuel / year #5 2026 · Porsche 911 Carrera 4S Cabriolet 20Combined MPG $4,100Fuel / year #6 2026 · Porsche 911 Carrera Cabriolet 21Combined MPG $3,900Fuel / year Listed on CarCody
- Porsche Cars: Every Model and Year With MPG1602 listed
Sources
- fueleconomy.gov/feg/noframes/48812.shtml· checked 3 Oct 2026