2025 · Subcompact Car · Gas
2025 Porsche 911 MPG & fuel economy
The 2025 Porsche 911 is a subcompact car offered in 9 EPA-rated configurations. The most efficient version returns 21 MPG combined (18 city / 25 highway) on premium gasoline. Across the lineup, combined ratings range from 16 to 21 MPG. Efficiency is unchanged from the 2024 model. Among 30 subcompact cars rated for 2025, it ranks 23rd for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 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 911's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 18 | 7.7 | 13.1 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2025 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
911 MPG across model years
Full history →9 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.0L 6-cyl turbo · 8-speed dual-clutch 911 Carrera |
Gas | 18 MPG | 25 MPG | 21 MPG | — | $2,821 |
| RWD · 3.0L 6-cyl turbo · 6-speed manual 911 Carrera T |
Gas | 17 MPG | 25 MPG | 20 MPG | — | $2,962 |
| RWD · 3.0L 6-cyl turbo · 8-speed dual-clutch 911 Carrera S |
Gas | 17 MPG | 24 MPG | 20 MPG | — | $2,962 |
| RWD · 3.6L 6-cyl turbo · 8-speed dual-clutch 911 Carrera GTS |
Gas | 17 MPG | 24 MPG | 20 MPG | — | $2,962 |
| RWD · 3.0L 6-cyl turbo · 6-speed manual 911 Carrera T Cabriolet |
Gas | 17 MPG | 25 MPG | 19 MPG | — | $3,118 |
| RWD · 3.6L 6-cyl turbo · 8-speed dual-clutch 911 Carrera GTS Cabriolet |
Gas | 17 MPG | 23 MPG | 19 MPG | — | $3,118 |
| AWD · 3.6L 6-cyl turbo · 8-speed dual-clutch 911 Carrera 4 GTS |
Gas | 17 MPG | 23 MPG | 19 MPG | — | $3,118 |
| AWD · 3.7L 6-cyl turbo · 8-speed dual-clutch 911 Turbo |
Gas | 14 MPG | 21 MPG | 17 MPG | — | $3,485 |
| AWD · 3.7L 6-cyl turbo · 8-speed dual-clutch 911 Turbo Cabriolet |
Gas | 14 MPG | 20 MPG | 16 MPG | — | $3,703 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 8-speed dual-clutch
- Drivetrain
- RWD
- Passenger volume
- 70 cu ft
- Cargo volume
- 5 cu ft
- Tailpipe CO₂
- 424 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2025 Porsche 911 vs. rivals
Compare the 2025 911
With any other car from any year, including other 911 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Porsche 911?
Up to 21 MPG combined (18 city / 25 highway); ratings range from 16 to 21 MPG depending on configuration.
What fuel does the 2025 Porsche 911 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Porsche 911?
The 2025 Porsche 911's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 2025 Porsche 911 per year?
About $2,821 at 15,000 miles a year with $3.95/gal premium gas, or $18.81 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.