Real MPG: Mercedes-Benz GL-Class (2006 - 2013)
Supremely comfortable. Genuine seven-seater. Immensely competent on and off road. Very refined and luxurious. GL420 CDI model is immense.
Sheer size means it's hard to manouevre and park. Not great in corners. Rear visibility is poor. GL500 is expensive to run.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| GL320 CDI | 29.1 mpg | - | 23.2 mpg | 80% | |
| GL350 CDI BlueEfficiency | 30.7 mpg | - | 24.2 mpg | 79% | |
| GL420 CDI | 24.4 mpg | - | 22.4 mpg | 92% | |
| GL450 CDI | 24.4 mpg | - | - | - | |
| GL500 | 20.8 mpg | - | 20.1 mpg | 97% |
Read the Honest John review...
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Mercedes-Benz GL-Class (2006 - 2013)
Supremely comfortable. Genuine seven-seater. Immensely competent on and off road. Very refined and luxurious. GL420 CDI model is immense.
Rivals
| Mercedes-Benz GL-Class (2006 - 2013) | 22.7 | avg mpg |
| Suzuki Grand Vitara (2005 - 2014) | 29.9 | avg mpg |
| Mitsubishi Outlander (2007 - 2012) | 36.0 | avg mpg |
| Toyota RAV4 (2006 - 2013) | 37.2 | avg mpg |
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