← all 2021 Subaru Legacy AWD trims
2021 Subaru Legacy AWD — 2.5L 4-cyl, AV-S8 automatic, AWD
This 2021 Subaru Legacy AWD (2.5L 4-cyl, AV-S8 automatic, AWD) takes regular (87-octane) gasoline. REGULAR
30
MPG combined (27 city / 35 hwy)
$1,900
est. fuel cost / year (today’s prices, 15k mi)
295 g/mi
tailpipe CO₂
At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.
Other 2021 Subaru Legacy AWD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.4L 4-cyl, AV-S8 automatic, AWD | REGULAR | 27 | $2,111 |
EPA fuel type: Regular · class: Large Cars · engine: 2.5L 4-cyl · transmission: AV-S8 automatic · drive: AWD · MPG retrieved 2026-07-24.