2019 Mazda 6

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

The 2019 Mazda 6 is sold in the U.S. with gasoline power. The EPA lists 3 configurations for this model year, with combined economy from 26 to 29 MPG and an estimated annual fuel cost of $2,250 to $2,500 at 15,000 miles.

Key numbers

What it costs to fuel

Across its configurations, the 2019 6 costs about $2,250 to $2,500 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $2,383. Over five years that is about $11,917 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, the most efficient 6 configuration saves about $250 in fuel over five years; less efficient versions spend more.

For context, the average combined economy of midsize cars in this dataset is about 32 MPG. The 6 sits roughly 5 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 2019 6 records tailpipe CO₂ of 302-335 g/mi, an EPA smog rating of 3-7 out of 10. The EPA classifies it as midsize cars.

Compare this car

Open the comparison tool to line this 2019 6 up against any other vehicle in the database, or jump to other years and trims from the 2019 Mazda 6 overview.

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