Real MPG: Mercedes-Benz G-Class (2018 on)
Iconic looks with a modern drive, spacious and comfortable cabin, huge specification, ridiculous performance with the AMG.
Significantly better to drive but a Porsche Cayenne or Bentley Bentayga are still sharper, side hinged rear door limits the usefulness of the bootspace, running costs of the AMG will be punishing.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| AMG G 63 | 21.4 mpg | 17.2–17.7 mpg | - | -* | |
| G 350 d | 25.2 mpg | 25.9 mpg | - | -* | |
| G 400 d | - | 26.4 mpg | - | -* |
Read the Honest John review...
Mercedes-Benz G-Class (2018 on)
Iconic looks with a modern drive, spacious and comfortable cabin, huge specification, ridiculous performance with the AMG.
Rivals
| Mercedes-Benz G-Class (2018 on) | 0.0 | avg mpg |
| Audi A8 (2017 on) | 41.3 | avg mpg |
| BMW 8 Series (2018 on) | 33.8 | avg mpg |
| Audi A7 Sportback (2018 on) | 39.1 | avg mpg |
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