2020 Mercedes-Benz G-Class

Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data

The 2020 Mercedes-Benz G-Class is sold in the U.S. with gasoline power. The EPA lists 2 configurations for this model year, with combined economy from 14 to 14 MPG and an estimated annual fuel cost of $5,700 to $5,700 at 15,000 miles.

Key numbers

What it costs to fuel

Across its configurations, the 2020 G-Class costs about $5,700 to $5,700 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $5,700. Over five years that is about $28,500 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.

Relative to an average new vehicle, this G-Class configuration spends about $17,000 more on fuel over five years.

For context, the average combined economy of standard sport utility vehicle 4wd in this dataset is about 23 MPG. The G-Class sits roughly 9 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.

Configurations and fuel economy

Emissions, safety and size

The 2020 G-Class records tailpipe CO₂ of 609-637 g/mi, an EPA smog rating of 3-3 out of 10. The EPA classifies it as standard sport utility vehicle 4wd.

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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.