Real MPG: Porsche 911 (997/2) (2008 - 2011) Carrera S PDK
                
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                                27.7–29.4
                            
                            Official MPG(NEDC)
25.0–29.1                            
                            Real MPG
                        
                                27.6
                            
                            Real MPGAverage
                                    97%
                                
                                of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| Carrera | 29.4 mpg | - | 27.3 mpg | 93% | |
| Carrera 4 | 28.0 mpg | - | - | - | |
| Carrera 4 Cabriolet | 27.4 mpg | - | - | - | |
| Carrera 4 Cabriolet PDK | 27.4 mpg | - | - | - | |
| Carrera 4 PDK | 28.0 mpg | - | - | - | |
| Carrera 4S | 28.5 mpg | - | - | - | |
| Carrera 4S Cabriolet | 28.2 mpg | - | - | - | |
| Carrera 4S Cabriolet PDK | 30.7 mpg | - | - | - | |
| Carrera 4S PDK | 31.0 mpg | - | 22.4 mpg | 72% | |
| Carrera Cabriolet | 28.5 mpg | - | - | - | |
| Carrera Cabriolet PDK | 28.5 mpg | - | - | - | |
| Carrera S | 27.4 mpg | - | 26.6 mpg | 97% | |
| Carrera S Cabriolet | 27.4 mpg | - | 24.1 mpg | 88% | |
| Carrera S Cabriolet PDK | 27.4 mpg | - | 24.0 mpg | 88% | |
| Targa 4 | 28.0 mpg | - | - | - | |
| Targa 4 PDK | 27.4 mpg | - | - | - | |
| Targa 4S | 26.9 mpg | - | 25.5 mpg | 95% | |
| Targa 4S PDK | 26.4 mpg | - | 23.1 mpg | 88% | 
Read the Honest John review...
Porsche 911 (997/2) (2008 - 2011)
                Stunning performance but useful economy, sublime handling and a fuss-free cabin, a very usable high-performance machine, impressive PDK double-clutch gearbox.
            
        Rivals
| Porsche 911 (997/2) (2008 - 2011) | 25.8 | avg mpg | 
| Maserati GranTurismo (2007 - 2019) | 22.4 | avg mpg | 
| Nissan GT-R (2009 - 2022) | 20.0 | avg mpg | 
| Nissan 370Z (2009 - 2020) | 25.4 | avg mpg | 
