Porsche 911 2008 fuel consumption
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | |||
|---|---|---|---|---|
| All carmakers | Porsche 911 | |||
| 2008 | +12% | +18% | ||
| Show all years | ||||
| 2009 | +14% | +18% | ||
| 2010 | +16% | +18% | ||
| 2011 | +19% | +18% | ||
See below for the actual consumption of generations and versions of Porsche 911.
Porsche 911 2008 fuel economy
| Average advertised fuel consumption for petrol engines | 22.3 MPG 10.5 l/100km |
| Average real-world fuel consumption for petrol engines | 19.3 MPG 12.2 l/100km |
| Average real gasoline consumption difference * | +18% |
According to advertised fuel consumption, a Porsche 911 2008 with automatic transmission consumes on average 0.5 liters per 100 km or 5% less fuel than similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Porsche 911 with automatic transmission consumes around 0.8 litres per 100 km or 6% less fuel than a version with the same engine but a manual gearbox.
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 3.6 liter petrol engine | ||
| Porsche 911 2008 3.6 Carrera 4 Coupe 345 HP 4x4 manual | 22.2 MPG 10.6 l/100km |
18.0 MPG 13.1 l/100km+24% |
| Porsche 911 2008 3.6 Carrera 4 Coupe 345 HP 4x4 automatic | 23.3 MPG 10.1 l/100km |
22.8 MPG 10.3 l/100km+2% |
| Porsche 911 2008 3.6 Carrera Coupe 345 HP manual | 23.5 MPG 10.0 l/100km |
19.1 MPG 12.3 l/100km+23% |
| Porsche 911 2008 3.6 Carrera Coupe 345 HP automatic | 24.0 MPG 9.8 l/100km |
22.8 MPG 10.3 l/100km+5% |
| 3.8 liter petrol engine | ||
| Porsche 911 2008 3.8 Carrera 4S Coupe 385 HP 4x4 manual | 21.4 MPG 11.0 l/100km |
18.5 MPG 12.7 l/100km+15% |
| Porsche 911 2008 3.8 Carrera 4S Coupe 385 HP 4x4 automatic | 22.4 MPG 10.5 l/100km |
17.8 MPG 13.2 l/100km+26% |
| Porsche 911 2008 3.8 Carrera S Coupe 385 HP manual | 22.2 MPG 10.6 l/100km |
19.3 MPG 12.2 l/100km+15% |
| Porsche 911 2008 3.8 Carrera S Coupe 385 HP automatic | 23.5 MPG 10.0 l/100km |
17.8 MPG 13.2 l/100km+32% |
| Porsche 911 2009 3.8 Turbo Coupe 500 HP automatic | 20.6 MPG 11.4 l/100km |
|
| Porsche 911 2010 3.8 Turbo S Coupe 530 HP automatic | 20.6 MPG 11.4 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.