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2025 Porsche 911 fuel consumption
15 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.
Fuel use, combined
10.2–15.2 L/100km
lower is better
Cost to run a year
$2,985–$4,448
at 14,000km
CO₂ from the exhaust
233–347 g/km
per kilometre
Uses 34% more fuel than the typical 2025 car, which averaged 7.6 L/100km.
Every 2025 Porsche 911 version
| Version | Engine | Fuel use | City | Highway | Cost/year | CO₂ |
|---|---|---|---|---|---|---|
| Carrera S Coupe Auto | 3L 6cyl Turbo Petrol 98RON | 10.2 | 15.1 | 7.4 | $2,985 | 233 Worse than average |
| Carrera S Cabrio Convertible Auto | 3L 6cyl Turbo Petrol 98RON | 10.5 | 15.3 | 7.7 | $3,072 | 239 Worse than average |
| Carrera Coupe Auto | 3L 6cyl Turbo Petrol 98RON | 10.6 | 15.4 | 7.8 | $3,102 | 241 Worse than average |
| Carrera GTS Coupe Auto | 3.6L 6cyl Turbo Petrol 98RON | 10.7 | 15.2 | 8.1 | $3,131 | 244 Worse than average |
| Carrera 4 GTS Coupe Auto | 3.6L 6cyl Turbo Petrol 98RON | 10.7 | 15.7 | 7.8 | $3,131 | 244 Worse than average |
| Carrera Cabrio Convertible Auto | 3L 6cyl Turbo Petrol 98RON | 10.7 | 15.6 | 7.9 | $3,131 | 245 Worse than average |
| Carrera GTS Cabrio Convertible Auto | 3.6L 6cyl Turbo Petrol 98RON | 10.8 | 15.5 | 8.1 | $3,160 | 246 Worse than average |
| Carrera 4 GTS Cabrio Convertible Auto | 3.6L 6cyl Turbo Petrol 98RON | 10.9 | 15.7 | 8.1 | $3,189 | 248 Worse than average |
| Targa 4 GTS Convertible Auto | 3.6L 6cyl Turbo Petrol 98RON | 10.9 | 15.7 | 8.1 | $3,189 | 248 Worse than average |
| Carrera T Coupe Manual | 3L 6cyl Turbo Petrol 98RON | 11.5 | 17.3 | 8.2 | $3,365 | 262 Worse than average |
| Carrera T Cabrio Convertible Manual | 3L 6cyl Turbo Petrol 98RON | 11.7 | 17.5 | 8.4 | $3,423 | 266 Worse than average |
| GT3 Coupe Auto | 4L 6cyl Petrol 98RON | 13.6 | 19.4 | 10.3 | $3,979 | 311 Worse than average |
| GT3 TOURING Coupe Auto | 4L 6cyl Petrol 98RON | 13.6 | 19.4 | 10.3 | $3,979 | 311 Worse than average |
| GT3 Coupe Manual | 4L 6cyl Petrol 98RON | 15.2 | 22.5 | 11.1 | $4,448 | 347 Worse than average |
| GT3 TOURING Coupe Manual | 4L 6cyl Petrol 98RON | 15.2 | 22.5 | 11.1 | $4,448 | 347 Worse than average |
Porsche 911 in other years
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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.