- Newest year: 2025
- Gas
- Midsize cars
2020-2025 Subaru Legacy MPG & Fuel Cost
6 model years · 26–30 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 5 of 10 midsize car configurations, MY2025. Ranked against all rated configurations, not sales-weighted.
2020-2025 Subaru Legacy at a glance
The 2020-2025 Subaru Legacy covers 6 model years in the EPA database (12 configurations in all), rated 26–30 MPG combined. The newest model year, 2025, costs about $2,170 a year to fuel for its most efficient version, the Legacy 2.5L 4-cyl AWD (30 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2021, 2023, 2024 and 2025; 2022 repeat the values of the year before.
2020-2025 Subaru Legacy by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2025 | Gas | 26–30 MPG | $2,170–$2,490 | Ratings changed |
| 2024 | Gas | 26–30 MPG | $2,180–$2,490 | Ratings changed |
| 2023 | Gas | 26–30 MPG | $2,180–$2,490 | Ratings changed |
| 2022 | Gas | 27–30 MPG | $2,170–$2,430 | Same EPA ratings as 2021 |
| 2021 | Gas | 27–30 MPG | $2,170–$2,430 | Ratings changed |
| 2020 | Gas | 27–30 MPG | $2,170–$2,430 | First year |
What the 2025 Legacy 2.5L 4-cyl AWD costs to drive
Per month
$181
$2,170 a year ÷ 12
Per 25 miles
$3.62
Per 100 miles
$14.47
Five years
$10,850
5 × the yearly cost, prices held at today's level
vs the midsize car median
Same
Class median $2,170 a year, MY2025
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2025 Subaru Legacy MPG
Versus 2024: The most efficient configuration stays at 30 MPG. Its annual cost goes from $2,180 to $2,170, $10 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Legacy 2.5L 4-cyl (Most efficient) | 2.5L 4-cyl | AWD | 27 | 35 | 30 | $2,170 |
| Legacy 2.4L 4-cyl turbo | 2.4L 4-cyl turbo | AWD | 23 | 31 | 26 | $2,490 |
2024 Subaru Legacy MPG
26–30 MPG · $2,180–$2,490/yr
Versus 2023: The most efficient configuration stays at 30 MPG. Its annual cost stays at $2,180.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Legacy 2.5L 4-cyl (Most efficient) | 2.5L 4-cyl | AWD | 27 | 35 | 30 | $2,180 |
| Legacy 2.4L 4-cyl turbo | 2.4L 4-cyl turbo | AWD | 23 | 31 | 26 | $2,490 |
2023 Subaru Legacy MPG
26–30 MPG · $2,180–$2,490/yr
Versus 2022: The most efficient configuration stays at 30 MPG. Its annual cost goes from $2,170 to $2,180, $10 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Legacy 2.5L 4-cyl (Most efficient) | 2.5L 4-cyl | AWD | 27 | 35 | 30 | $2,180 |
| Legacy 2.4L 4-cyl turbo | 2.4L 4-cyl turbo | AWD | 23 | 31 | 26 | $2,490 |
2022 Subaru Legacy MPG
Same EPA ratings as 2021
EPA lists the same ratings for the 2022 Subaru Legacy as for the 2021 model, so the configurations and costs are the ones in the 2021 section above.See 2021
2021 Subaru Legacy MPG
27–30 MPG · $2,170–$2,430/yr
Versus 2020: The most efficient configuration stays at 30 MPG. Its annual cost stays at $2,170.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Legacy 2.5L 4-cyl (Most efficient) | 2.5L 4-cyl | AWD | 27 | 35 | 30 | $2,170 |
| Legacy 2.4L 4-cyl turbo | 2.4L 4-cyl turbo | AWD | 24 | 32 | 27 | $2,430 |
2020 Subaru Legacy MPG
27–30 MPG · $2,170–$2,430/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Legacy 2.5L 4-cyl (Most efficient) | 2.5L 4-cyl | AWD | 27 | 35 | 30 | $2,170 |
| Legacy 2.4L 4-cyl turbo | 2.4L 4-cyl turbo | AWD | 24 | 32 | 27 | $2,430 |
Fuel cost by state
Yearly cost of the Legacy 2.5L 4-cyl AWD: $2,960 in California and $1,900 in Texas, a $1,060 difference.
- California $2,960
- Washington $2,740
- New York $2,180
- Florida $2,050
- Texas $1,900
Similar cars
Closest combined MPG among MY2025 midsize car models.
Generations
- 2018-2019 (6th gen)
- 2020-2025 (7th gen)
Frequently asked questions
What gas mileage does the 2020-2025 Subaru Legacy get?
EPA rates the 2020-2025 Subaru Legacy at 26–30 MPG combined across 12 configurations and 6 model years. The most efficient version, the 2025 Legacy 2.5L 4-cyl AWD, is rated 30 MPG (27 city, 35 highway).
Which years had the best MPG in the 2020-2025 Subaru Legacy?
Every model year of the 2020-2025 Subaru Legacy tops out at 30 MPG combined, so no year is better than another.
Did EPA ratings change during the 2020-2025 Subaru Legacy?
Yes. Ratings changed in 2021, 2023, 2024 and 2025. In 2022 the values repeat the year before.
How does the 2020-2025 Subaru Legacy compare with the previous generation?
The previous generation (2018-2019 Subaru Legacy) is rated 23–29 MPG combined and costs $2,290–$2,860 a year to fuel; the 2020-2025 model is rated 26–30 MPG and costs $2,170–$2,490 a year.
How much does it cost to fuel a 2025 Subaru Legacy per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Legacy 2.5L 4-cyl AWD costs about $2,170 a year. Across all 2 configurations the cost runs $2,170–$2,490 a year. That is a $320 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2025 Subaru Legacy 100 miles?
About $14.47 per 100 miles for the Legacy 2.5L 4-cyl AWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $14.47 and $16.60 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2025 Subaru Legacy more efficient in the city or on the highway?
The Legacy 2.5L 4-cyl AWD is rated 27 city and 35 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2025 Subaru Legacy compare with other midsize car configurations?
The Legacy 2.5L 4-cyl AWD costs about $2,170 a year to fuel, the same as the class median of $2,170, and less than 5 of 10 midsize car configurations. The comparison covers all 117 rated midsize car configurations for MY2025, not weighted by sales.
Is the 2025 Subaru Legacy different from the 2024 model?
The most efficient configuration stays at 30 MPG. Its annual cost goes from $2,180 to $2,170, $10 less. EPA lists 2 configurations for 2025 against 2 configurations for 2024. See the 2024 Subaru Legacy for that year.