2018 Mazda CX-9
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2018 Mazda CX-9 is sold in the U.S. with gasoline power. The EPA lists 2 configurations for this model year, with combined economy from 23 to 24 MPG and an estimated annual fuel cost of $2,700 to $2,800 at 15,000 miles.
Key numbers
| Model year | 2018 |
|---|---|
| Vehicle class | Small Sport Utility Vehicle 2WD |
| Fuel type(s) | Gasoline |
| Combined economy | 23-24 MPG |
| Best / worst combined | 24 / 23 MPG |
| Annual fuel cost | $2,700-$2,800 |
| Tailpipe CO₂ | 362-391 g/mi |
| EPA smog rating | 3-3 / 10 |
| NHTSA overall | 5 / 5 stars |
What it costs to fuel
Across its configurations, the 2018 CX-9 costs about $2,700 to $2,800 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $2,750. Over five years that is about $13,750 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 CX-9 configuration spends about $2,000 more on fuel over five years.
For context, the average combined economy of small sport utility vehicle 2wd in this dataset is about 26 MPG. The CX-9 sits roughly 2 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| CX-9 2WD | 2.5L 4-cyl turbo | Front-Wheel | Automatic | Gasoline | 24 MPG | $2,700 |
| CX-9 4WD | 2.5L 4-cyl turbo | 4-Wheel | Automatic | Gasoline | 23 MPG | $2,800 |
Emissions, safety and size
The 2018 CX-9 records tailpipe CO₂ of 362-391 g/mi, an EPA smog rating of 3-3 out of 10, a 5-star NHTSA overall crash rating. The EPA classifies it as small sport utility vehicle 2wd.
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.