2020 Porsche Boxster
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2020 Porsche Boxster is sold in the U.S. with gasoline power. The EPA lists 6 configurations for this model year, with combined economy from 21 to 24 MPG and an estimated annual fuel cost of $3,300 to $3,800 at 15,000 miles.
Key numbers
| Model year | 2020 |
|---|---|
| Vehicle class | Two Seaters |
| Fuel type(s) | Gasoline |
| Combined economy | 21-24 MPG |
| Best / worst combined | 24 / 21 MPG |
| Annual fuel cost | $3,300-$3,800 |
| Tailpipe CO₂ | 375-423 g/mi |
| EPA smog rating | 1-1 / 10 |
What it costs to fuel
Across its configurations, the 2020 Boxster costs about $3,300 to $3,800 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $3,583. Over five years that is about $17,917 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.
Relative to an average new vehicle, this Boxster configuration spends about $5,000 more on fuel over five years.
For context, the average combined economy of two seaters in this dataset is about 23 MPG. The Boxster sits roughly 0 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| Boxster | 2.0L 4-cyl turbo | Rear-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| Boxster T | 2.0L 4-cyl turbo | Rear-Wheel | Automatic | Gasoline | 23 MPG | $3,450 |
| Boxster | 2.0L 4-cyl turbo | Rear-Wheel | Manual | Gasoline | 22 MPG | $3,650 |
| Boxster S | 2.5L 4-cyl turbo | Rear-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
| Boxster T | 2.0L 4-cyl turbo | Rear-Wheel | Manual | Gasoline | 22 MPG | $3,650 |
| Boxster S | 2.5L 4-cyl turbo | Rear-Wheel | Manual | Gasoline | 21 MPG | $3,800 |
Emissions, safety and size
The 2020 Boxster records tailpipe CO₂ of 375-423 g/mi, an EPA smog rating of 1-1 out of 10. The EPA classifies it as two seaters.
Compare this car
Open the comparison tool to line this 2020 Boxster up against any other vehicle in the database, or jump to other years and trims from the 2020 Porsche Boxster overview.
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.