2025 · Two-Seater · Gas
2025 Porsche 718 MPG & fuel economy
The 2025 Porsche 718 is a two-seater offered in 8 EPA-rated configurations. The most efficient version returns 24 MPG combined (21 city / 27 highway) on premium gasoline. Across the lineup, combined ratings range from 16 to 24 MPG. Efficiency is unchanged from the 2024 model. Among 20 two-seaters rated for 2025, it ranks 6th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2025 Porsche 718's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 11.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 21 | 8.9 | 11.2 |
| Highway | 27 | 11.5 | 8.7 |
| Combined | 24 | 10.2 | 9.8 |
How it ranks among 2025 Two-Seaters
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
718 MPG across model years
Full history →8 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.0L 4-cyl turbo · 7-speed dual-clutch 718 Boxster |
Gas | 21 MPG | 27 MPG | 24 MPG | — | $2,469 |
| RWD · 2.0L 4-cyl turbo · 6-speed manual 718 Boxster |
Gas | 20 MPG | 25 MPG | 22 MPG | — | $2,693 |
| RWD · 2.5L 4-cyl turbo · 7-speed dual-clutch 718 Boxster S |
Gas | 19 MPG | 25 MPG | 22 MPG | — | $2,693 |
| RWD · 4.0L 6-cyl · 7-speed dual-clutch 718 Boxster GTS |
Gas | 19 MPG | 24 MPG | 21 MPG | — | $2,821 |
| RWD · 2.5L 4-cyl turbo · 6-speed manual 718 Boxster S |
Gas | 19 MPG | 24 MPG | 21 MPG | — | $2,821 |
| RWD · 4.0L 6-cyl · 6-speed manual 718 Boxster GTS |
Gas | 17 MPG | 24 MPG | 19 MPG | — | $3,118 |
| RWD · 4.0L 6-cyl · 7-speed dual-clutch 718 GT4 RS |
Gas | 15 MPG | 19 MPG | 16 MPG | — | $3,703 |
| RWD · 4.0L 6-cyl · 7-speed dual-clutch 718 Spyder RS |
Gas | 14 MPG | 19 MPG | 16 MPG | — | $3,703 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.0L 4-cyl turbo
- Transmission
- 7-speed dual-clutch
- Drivetrain
- RWD
- Tailpipe CO₂
- 375 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2025 Porsche 718 vs. rivals
Compare the 2025 718
With any other car from any year, including other 718 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Porsche 718?
Up to 24 MPG combined (21 city / 27 highway); ratings range from 16 to 24 MPG depending on configuration.
What fuel does the 2025 Porsche 718 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Porsche 718?
The 2025 Porsche 718's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 11.5 km/L on the highway.
How much does it cost to fuel the 2025 Porsche 718 per year?
About $2,469 at 15,000 miles a year with $3.95/gal premium gas, or $16.46 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.