Subaru · 2018–2025 · Gas

Subaru Legacy MPG by year

The EPA has rated 8 model years of the Subaru Legacy, from 2018 to 2025. The most fuel-efficient year is the 2025, at 30 MPG combined in its best configuration. The best 2025 model is 3% more efficient than the best 2018 model (30 vs. 29 MPG). The 2025 model is 7% more efficient than the median midsize car that year (30 vs. 28 MPG).

Most efficient year202530 MPG combined
Latest (2025)30 MPG$1,550/yr to fuel
First rated (2018)29 MPG$1,603/yr at today's prices
Model years rated816 configurations

Combined MPG by model year

  • Legacy, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every Legacy model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2025 Gas 30 MPG
lowest 26
27 / 35 28 — 2 $1,550
2024 Gas 30 MPG
lowest 26
27 / 35 28 — 2 $1,550
2023 Gas 30 MPG
lowest 26
27 / 35 23 — 2 $1,550
2022 Gas 30 MPG
lowest 27
27 / 35 25 — 2 $1,550
2021 Gas 30 MPG
lowest 27
27 / 35 25 — 2 $1,550
2020 Gas 30 MPG
lowest 27
27 / 35 22.5 — 2 $1,550
2019 Gas 29 MPG
lowest 23
25 / 34 28 — 2 $1,603
2018 Gas 29 MPG
lowest 23
25 / 34 28 — 2 $1,603

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare Legacy model years

See how much a newer Legacy would save over an older one.

Models similar to the Subaru Legacy

Frequently asked questions

Which Subaru Legacy year has the best fuel economy?

The 2020 Subaru Legacy, rated up to 30 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $1,550 a year.

Which Subaru Legacy year has the worst fuel economy?

The 2018 model, whose most efficient version is rated 29 MPG combined (about $1,603 a year to fuel).

What is the fuel economy of the latest Subaru Legacy?

The 2025 Subaru Legacy is rated up to 30 MPG combined.

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