2020 · Two-Seater · Gas
2020 Porsche Boxster MPG & fuel economy
The 2020 Porsche Boxster is a two-seater offered in 5 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 21 to 24 MPG. That's down 1 MPG from the 2019 model. Among 39 two-seaters rated for 2020, it ranks 9th 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 2020 Porsche Boxster'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 2020 Two-Seaters
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Boxster MPG across model years
Full history →5 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.0L 4-cyl turbo · 7-speed dual-clutch Boxster |
Gas | 21 MPG | 27 MPG | 24 MPG | — | $2,469 |
| RWD · 2.0L 4-cyl turbo · 7-speed dual-clutch Boxster T |
Gas | 21 MPG | 27 MPG | 23 MPG | — | $2,576 |
| RWD · 2.0L 4-cyl turbo · 6-speed manual Boxster |
Gas | 20 MPG | 26 MPG | 22 MPG | — | $2,693 |
| RWD · 2.5L 4-cyl turbo · 7-speed dual-clutch Boxster S |
Gas | 19 MPG | 25 MPG | 22 MPG | — | $2,693 |
| RWD · 2.5L 4-cyl turbo · 6-speed manual Boxster S |
Gas | 19 MPG | 24 MPG | 21 MPG | — | $2,821 |
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
2020 Porsche Boxster vs. rivals
Compare the 2020 Boxster
With any other car from any year, including other Boxster model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2020 Porsche Boxster?
Up to 24 MPG combined (21 city / 27 highway); ratings range from 21 to 24 MPG depending on configuration.
What fuel does the 2020 Porsche Boxster use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2020 Porsche Boxster?
The 2020 Porsche Boxster'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 2020 Porsche Boxster 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.