Porsche 911 2015 fuel consumption
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | |||
|---|---|---|---|---|
| All carmakers | Porsche 911 | |||
| 2015 | +27% | +34% | ||
| Show all years | ||||
| 2016 | +28% | +34% | ||
| 2017 | +28% | +34% | ||
| 2018 | +28% | +34% | ||
See below for the actual consumption of generations and versions of Porsche 911.
Porsche 911 2015 fuel economy
| Average advertised fuel consumption for petrol engines | 27.9 MPG 8.4 l/100km |
| Average real-world fuel consumption for petrol engines | 20.6 MPG 11.4 l/100km |
| Average real gasoline consumption difference * | +34% |
According to advertised fuel consumption, a Porsche 911 2015 with automatic transmission consumes on average 1 liters per 100 km or 11% less fuel than similar versions with manual gearbox.
Compared to similar cars of other manufacturers, the Porsche 911 advertised fuel economy is slightly worse than average, but according to available user reports on actual consumption, real fuel economy is one of the worst.
Of all modifications the best advertised fuel economy in its class has Porsche 911 with 3.0 petrol engine and automatic transmission (Porsche 911 2017 3.0 Carrera GTS 450 HP).
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 3.0 liter petrol engine | ||
| Porsche 911 2015 Carrera 3.0 370 HP manual | 28.3 MPG 8.3 l/100km |
21.2 MPG 11.1 l/100km+34% |
| Porsche 911 2015 Carrera 3.0 370 HP automatic | 31.8 MPG 7.4 l/100km |
|
| Porsche 911 2015 Carrera 4 3.0 370 HP 4x4 manual | 27.0 MPG 8.7 l/100km |
20.1 MPG 11.7 l/100km+34% |
| Porsche 911 2015 Carrera 4 3.0 370 HP 4x4 automatic | 30.5 MPG 7.7 l/100km |
|
| Porsche 911 2015 Carrera 4S 3.0 420 HP 4x4 manual | 26.4 MPG 8.9 l/100km |
|
| Porsche 911 2015 Carrera 4S 3.0 420 HP 4x4 automatic | 29.8 MPG 7.9 l/100km |
|
| Porsche 911 2015 Carrera S 3.0 420 HP manual | 27.0 MPG 8.7 l/100km |
|
| Porsche 911 2015 Carrera S 3.0 420 HP automatic | 30.5 MPG 7.7 l/100km |
|
| Porsche 911 2017 3.0 Carrera GTS 450 HP manual | 25.0 MPG 9.4 l/100km |
|
| Porsche 911 2017 3.0 Carrera GTS 450 HP automatic | 28.3 MPG 8.3 l/100km |
|
| 3.8 liter petrol engine | ||
| Porsche 911 2015 Turbo 3.8 540 HP 4x4 automatic | 25.8 MPG 9.1 l/100km |
|
| Porsche 911 2015 Turbo S 3.8 580 HP 4x4 automatic | 25.8 MPG 9.1 l/100km |
|
* - Difference between advertised and user reported fuel economy has been calculated taking into account only those car versions for which information is available both on the fuel consumption specified by the manufacturer and reported by users.