2018 Subaru Impreza
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2018 Subaru Impreza is sold in the U.S. with gasoline power. The EPA lists 8 configurations for this model year, with combined economy from 25 to 32 MPG and an estimated annual fuel cost of $2,050 to $2,600 at 15,000 miles.
Key numbers
| Model year | 2018 |
|---|---|
| Vehicle class | Midsize Cars |
| Fuel type(s) | Gasoline |
| Combined economy | 25-32 MPG |
| Best / worst combined | 32 / 25 MPG |
| Annual fuel cost | $2,050-$2,600 |
| Tailpipe CO₂ | 282-351 g/mi |
| EPA smog rating | 6-7 / 10 |
| NHTSA overall | 5 / 5 stars |
What it costs to fuel
Across its configurations, the 2018 Impreza costs about $2,050 to $2,600 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $2,306. Over five years that is about $11,531 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 Impreza configuration saves about $1,250 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 Impreza sits roughly 4 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 |
|---|---|---|---|---|---|---|
| Impreza 4-Door | 2.0L 4-cyl | All-Wheel | Automatic | Gasoline | 32 MPG | $2,050 |
| Impreza 5-Door | 2.0L 4-cyl | All-Wheel | Automatic | Gasoline | 31 MPG | $2,100 |
| Impreza Sport 4-Door | 2.0L 4-cyl | All-Wheel | Automatic | Gasoline | 30 MPG | $2,150 |
| Impreza Sport 5-Door | 2.0L 4-cyl | All-Wheel | Automatic | Gasoline | 30 MPG | $2,150 |
| Impreza 4-Door | 2.0L 4-cyl | All-Wheel | Manual | Gasoline | 27 MPG | $2,400 |
| Impreza Sport 4-Door | 2.0L 4-cyl | All-Wheel | Manual | Gasoline | 26 MPG | $2,500 |
| Impreza 5-Door | 2.0L 4-cyl | All-Wheel | Manual | Gasoline | 26 MPG | $2,500 |
| Impreza Sport 5-Door | 2.0L 4-cyl | All-Wheel | Manual | Gasoline | 25 MPG | $2,600 |
Emissions, safety and size
The 2018 Impreza records tailpipe CO₂ of 282-351 g/mi, an EPA smog rating of 6-7 out of 10, a 5-star NHTSA overall crash rating. The EPA classifies it as midsize cars.
Compare this car
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.