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Cars › Mercedes-Benz › G Class › 2025
2025 Mercedes-Benz G Class fuel consumption
3 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.
Fuel use, combined
8.1–9.4 L/100km
lower is better
Cost to run a year
$1,164–$3,145
at 14,000km
CO₂ from the exhaust
213–246 g/km
per kilometre
Uses 7% more fuel than the typical 2025 car, which averaged 7.6 L/100km.
Every 2025 Mercedes-Benz G Class version
| Version | Engine | Fuel use | City | Highway | Cost/year | CO₂ |
|---|---|---|---|---|---|---|
| G 450 d - Summer Tyres SUV Auto | 3L 6cyl Turbo Diesel | 8.1 | 9.9 | 7.1 | $2,710 | 213 Slightly worse than average |
| G 450 d SUV Auto | 3L 6cyl Turbo Diesel | 9.4 | 11.5 | 8.2 | $3,145 | 246 Worse than average |
| G580 SUV Auto | Pure Electric | – | – | – | $1,164 | – Better than average |
Mercedes-Benz G Class in other years
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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.