Real MPG: Vauxhall VXR8 (2007 - 2018) 6.2i V8
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                                18.6–20.9
                            
                            Official MPG(NEDC)
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                            Real MPG
                        
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                            Real MPGAverage
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                                of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 6.0i V8 | 18.5 mpg | - | 22.4 mpg | 121% | |
| 6.2i V8 Automatic | 20.6 mpg | - | 21.1 mpg | 103% | |
| 6.2i V8 GTS | 18.5–20.9 mpg | - | 20.0 mpg | 101% | |
| 6.2i V8 GTS 599 | 18.5 mpg | - | - | - | |
| 6.2i V8 GTS 599 Automatic | 18.0 mpg | - | - | - | |
| 6.2i V8 GTS Automatic | 18.0–20.6 mpg | - | - | - | |
| 6.2i V8 Tourer | 20.9 mpg | - | - | - | 
Read the Honest John review...
Vauxhall VXR8 (2007 - 2018)
                Huge amount of performance and rear-drive fun for the money. Thunderous V8. Surprisingly practical with four-door body and large boot. 
            
        Rivals
| Vauxhall VXR8 (2007 - 2018) | 21.7 | avg mpg | 
| Honda Civic Type R (2023 on) | 0.0 | avg mpg | 
