Porsche · Minicompact cars · Gasoline
Porsche 911: MPG and annual fuel cost, 2026
The Porsche 911 has 20 rated versions for 2026, from 15 to 21 MPG combined; its most efficient version is 6th of 12 minicompact cars, in the upper half, ahead of 55% of the others.
- 21MPG combined6th of 12 in class
- $3,900a year in fuel6th of 12 in class
- 429g/mile CO2
Where it stands
Compared only with the gasoline models of its class it is 4th of 9 gasoline minicompact cars, in the upper half, ahead of 62% of the others. The median of that narrower group is 19 MPG, against 20 MPG for all minicompact cars together.
Across every class it is tied for 117th of 180 gasoline models, in the lower half.
Porsche has 6 models in the 2026 data. This one ranks 3rd of them on combined rating, against a make median of 21 MPG.
In its class, just ahead of it is the Mercedes-Benz SL-Class Hybrid at 22 MPG and just behind it is the Bentley Continental Plug-in hybrid at 19 MPG.
Fuel cost and CO2
Assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon, fuelling the most efficient version comes to about $3,900 a year. That is $225 less than the minicompact cars median of $4,125.
Tailpipe CO2 is 429 g/mile, 14 g/mile above the minicompact cars median of 414.5.
Rated versions
In the city the most efficient version is rated 18 and on the highway 25, 7 better on the open road. 20 versions are rated for 2026. The most efficient, 911 Carrera Cabriolet: 3.0 L, 6 cyl, Automatic (AM-S8), RWD, gets 21 MPG; the least efficient listed, 911 GT3: 4.0 L, 6 cyl, Manual 6-spd, RWD, gets 15 MPG, a gap of 6 MPG. With the file's assumptions that gap is worth about $1,600 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| 911 Carrera Cabriolet: 3.0 L, 6 cyl, Automatic (AM-S8), RWD | 21 | 18 | 25 | $3,900 | 429 |
| 911 Carrera: 3.0 L, 6 cyl, Automatic (AM-S8), RWD | 21 | 18 | 25 | $3,900 | 424 |
| 911 Carrera 4S Cabriolet: 3.0 L, 6 cyl, Automatic (AM-S8), AWD | 20 | 17 | 24 | $4,100 | 446 |
| 911 Carrera 4S: 3.0 L, 6 cyl, Automatic (AM-S8), AWD | 20 | 17 | 24 | $4,100 | 453 |
| 911 Carrera GTS: 3.6 L, 6 cyl, Automatic (AM-S8), RWD | 20 | 17 | 24 | $4,100 | 453 |
| 911 Carrera S Cabriolet: 3.0 L, 6 cyl, Automatic (AM-S8), RWD | 20 | 17 | 24 | $4,100 | 455 |
| 911 Carrera S: 3.0 L, 6 cyl, Automatic (AM-S8), RWD | 20 | 17 | 24 | $4,100 | 445 |
| 911 Carrera T: 3.0 L, 6 cyl, Manual 6-spd, RWD | 20 | 17 | 25 | $4,100 | 448 |
| 911 Targa 4S: 3.0 L, 6 cyl, Automatic (AM-S8), AWD | 20 | 17 | 24 | $4,100 | 447 |
| 911 Carrera 4 GTS Cabriolet: 3.6 L, 6 cyl, Automatic (AM-S8), AWD | 19 | 17 | 23 | $4,350 | 469 |
| 911 Carrera 4 GTS: 3.6 L, 6 cyl, Automatic (AM-S8), AWD | 19 | 17 | 23 | $4,350 | 468 |
| 911 Carrera GTS Cabriolet: 3.6 L, 6 cyl, Automatic (AM-S8), RWD | 19 | 17 | 23 | $4,350 | 467 |
| 911 Carrera T Cabriolet: 3.0 L, 6 cyl, Manual 6-spd, RWD | 19 | 17 | 25 | $4,350 | 469 |
| 911 Targa 4 GTS: 3.6 L, 6 cyl, Automatic (AM-S8), AWD | 19 | 17 | 23 | $4,350 | 467 |
| 911 Turbo S Cabriolet: 3.6 L, 6 cyl, Automatic (AM-S8), AWD | 18 | 15 | 22 | $4,550 | 504 |
| 911 Turbo S: 3.6 L, 6 cyl, Automatic (AM-S8), AWD | 18 | 15 | 22 | $4,550 | 503 |
| 911 GT3 Touring: 4.0 L, 6 cyl, Automatic (AM-S7), RWD | 15 | 14 | 18 | $5,500 | 595 |
| 911 GT3 Touring: 4.0 L, 6 cyl, Manual 6-spd, RWD | 15 | 13 | 18 | $5,500 | 594 |
| 911 GT3: 4.0 L, 6 cyl, Automatic (AM-S7), RWD | 15 | 14 | 17 | $5,500 | 593 |
| 911 GT3: 4.0 L, 6 cyl, Manual 6-spd, RWD | 15 | 13 | 18 | $5,500 | 594 |
Year by year
The Porsche 911 is in the data for 8 of the 8 model years from 2019 to 2026. Its best combined rating went from 25 in 2019 to 21 MPG in 2026, down 4 MPG. The number of rated versions shrank from 43 to 20. Fuel cost for the best version is $3,900 in the latest data against $3,300 in 2019, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2026 | 20 | 21 | 15 | $3,900 | 429 | 20 |
| 2025 | 15 | 21 | 16 | $3,900 | 429 | 21 |
| 2024 | 38 | 21 | 15 | $3,900 | 425 | 21.5 |
| 2023 | 38 | 21 | 16 | $3,900 | 425 | 20 |
| 2022 | 33 | 21 | 16 | $3,900 | 425 | 19.5 |
| 2021 | 19 | 21 | 17 | $3,900 | 425 | 20 |
| 2020 | 12 | 20 | 20 | $4,100 | 443 | 20 |
| 2019 | 43 | 25 | 16 | $3,300 | 355 | 24 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Mercedes-Benz SL-Class Hybrid | Hybrid | 22 | $3,750 | 2026 |
| Ferrari Roma | Gasoline | 19 | $4,350 | 2026 |
| Bentley Continental Plug-in hybrid | Plug-in hybrid | 19 | $4,350 | 2026 |
| Lexus LC | Gasoline | 18 | $4,550 | 2026 |
| Aston Martin DB12 V8 | Gasoline | 17 | $4,850 | 2026 |
Compare and rank
Rankings: Minicompact cars, Gasoline, Porsche.
Data: US EPA and DOE, as prepared in methods and data.