2017 Porsche 911
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2017 Porsche 911 is sold in the U.S. with gasoline power. The EPA lists 34 configurations for this model year, with combined economy from 21 to 25 MPG and an estimated annual fuel cost of $3,200 to $3,800 at 15,000 miles.
Key numbers
| Model year | 2017 |
|---|---|
| Vehicle class | Minicompact Cars |
| Fuel type(s) | Gasoline |
| Combined economy | 21-25 MPG |
| Best / worst combined | 25 / 21 MPG |
| Annual fuel cost | $3,200-$3,800 |
| Tailpipe CO₂ | 355-430 g/mi |
| EPA smog rating | 5-5 / 10 |
What it costs to fuel
Across its configurations, the 2017 911 costs about $3,200 to $3,800 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $3,543. Over five years that is about $17,713 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 911 configuration spends about $4,500 more on fuel over five years.
For context, the average combined economy of minicompact cars in this dataset is about 23 MPG. The 911 sits roughly 0 MPG above that mark at its midpoint, making it more efficient than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| 911 Carrera | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Gasoline | 25 MPG | $3,200 |
| 911 Carrera S Cabriolet | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera 4 Cabriolet | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera 4S | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Targa 4 | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera Cabriolet | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera S | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera 4 | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera 4S Cabriolet | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Targa 4S | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 24 MPG | $3,300 |
| 911 Carrera | 3.0L 6-cyl turbo | Rear-Wheel | Manual | Gasoline | 23 MPG | $3,450 |
| 911 Carrera Cabriolet | 3.0L 6-cyl turbo | Rear-Wheel | Manual | Gasoline | 23 MPG | $3,450 |
| 911 Carrera S Cabriolet | 3.0L 6-cyl turbo | Rear-Wheel | Manual | Gasoline | 23 MPG | $3,450 |
| 911 Carrera 4 | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 23 MPG | $3,450 |
| 911 Carrera 4S | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 23 MPG | $3,450 |
| 911 Carrera S | 3.0L 6-cyl turbo | Rear-Wheel | Manual | Gasoline | 23 MPG | $3,450 |
| 911 Carrera GTS | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Gasoline | 23 MPG | $3,450 |
| 911 Carrera 4 Cabriolet | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 22 MPG | $3,650 |
| 911 Carrera 4S Cabriolet | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 22 MPG | $3,650 |
| 911 Targa 4 | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 22 MPG | $3,650 |
| 911 Targa 4S | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 22 MPG | $3,650 |
| 911 Carrera GTS Cabriolet | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
| 911 Carrera 4 GTS | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
| 911 Carrera 4 GTS Cabriolet | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
| 911 Targa 4 GTS | 3.0L 6-cyl turbo | 4-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
| 911 Turbo | 3.8L 6-cyl turbo | All-Wheel | Automatic | Gasoline | 21 MPG | $3,800 |
| 911 Turbo Cabriolet | 3.8L 6-cyl turbo | All-Wheel | Automatic | Gasoline | 21 MPG | $3,800 |
| 911 Turbo S | 3.8L 6-cyl turbo | All-Wheel | Automatic | Gasoline | 21 MPG | $3,800 |
| 911 Turbo S Cabriolet | 3.8L 6-cyl turbo | All-Wheel | Automatic | Gasoline | 21 MPG | $3,800 |
| 911 Carrera GTS | 3.0L 6-cyl turbo | Rear-Wheel | Manual | Gasoline | 21 MPG | $3,800 |
| 911 Carrera GTS Cabriolet | 3.0L 6-cyl turbo | Rear-Wheel | Manual | Gasoline | 21 MPG | $3,800 |
| 911 Carrera 4 GTS | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 21 MPG | $3,800 |
| 911 Carrera 4 GTS Cabriolet | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 21 MPG | $3,800 |
| 911 Targa 4 GTS | 3.0L 6-cyl turbo | 4-Wheel | Manual | Gasoline | 21 MPG | $3,800 |
Emissions, safety and size
The 2017 911 records tailpipe CO₂ of 355-430 g/mi, an EPA smog rating of 5-5 out of 10. The EPA classifies it as minicompact cars.
Compare this car
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.