Subaru Impreza 4-Door
29 MPG The 2023 Subaru Impreza 4-Door is EPA-rated at 29 MPG combined (25.5 city / 33.5 highway). Over 15,000 miles a year that is about 517 gallons, $1655 a year in fuel, or $0.110 per mile at $3.20/gal.
Across its full 2017–2023 run it averages 29.1 MPG, essentially flat across 7 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.086 | $862 | $1293 | $1724 |
| $3.00/gal | $0.103 | $1034 | $1552 | $2069 |
| $3.20/gal | $0.110 | $1103 | $1655 | $2207 |
| $3.50/gal | $0.121 | $1207 | $1810 | $2414 |
| $4.00/gal | $0.138 | $1379 | $2069 | $2759 |
| $4.50/gal | $0.155 | $1552 | $2328 | $3103 |
| $5.00/gal | $0.172 | $1724 | $2586 | $3448 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2023 | 29 MPG | 25.5 | 33.5 | $2175 | 309 | 2 |
| 2022 | 29 MPG | 25.5 | 33.5 | $2175 | 309 | 2 |
| 2021 | 29 MPG | 25.5 | 33.5 | $2175 | 309 | 2 |
| 2020 | 28.5 MPG | 25.5 | 33.5 | $2200 | 310 | 2 |
| 2019 | 29.5 MPG | 26 | 35 | $2125 | 307 | 2 |
| 2018 | 29.5 MPG | 26 | 35 | $2125 | 307 | 2 |
| 2017 | 29.5 MPG | 26 | 35 | $2125 | 307 | 2 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 261 midsize cars models tracked here, the Subaru Impreza 4-Door ranks 53 on current figures, against a class average of 27.2 MPG.
Closest more-efficient alternatives in the same class: Kia Forte (29.3), BMW 530i xDrive Sedan (30), Infiniti Q70 Hybrid (30), Nissan Altima (30), Subaru Impreza Sport 4-Door (30).
Tailpipe CO₂ is rated at 309 grams per mile, which works out to roughly 4.6 tonnes a year at 15,000 miles.
Questions
What MPG does the Subaru Impreza 4-Door get?
The 2023 Subaru Impreza 4-Door is rated at 29 MPG combined by the EPA — 25.5 city and 33.5 highway. Across all 7 model years in the database it averages 29.1 MPG, ranging from 26 to 32 depending on year and trim.
How much does a Subaru Impreza 4-Door cost in fuel per year?
At 29 MPG and 15,000 miles a year, it burns about 517 gallons — roughly $1655 a year with fuel at $3.20 a gallon, or $0.110 per mile. The EPA's own published annual figure for the 2023 model is $2175.
Has the Subaru Impreza 4-Door become more efficient over time?
Barely. It sits at 29 MPG today against 29.5 in 2017 — essentially flat across 7 model years, with efficiency gains offset by weight and power creep.
Is the Subaru Impreza 4-Door efficient for its class?
It ranks 53 of 261 in the Midsize Cars class on current figures, against a class average of 27.2 MPG. That is 1.8 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.