← all 2018 Subaru Outback AWD trims
2018 Subaru Outback AWD — 3.6L 6-cyl, AV-S6 automatic, AWD
This 2018 Subaru Outback AWD (3.6L 6-cyl, AV-S6 automatic, AWD) takes regular (87-octane) gasoline. REGULAR
22
MPG combined (20 city / 27 hwy)
$2,591
est. fuel cost / year (today’s prices, 15k mi)
398 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 2018 Subaru Outback AWD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.5L 4-cyl, AV-S7 automatic, AWD | REGULAR | 28 | $2,036 |
EPA fuel type: Regular · class: Small Sport Utility Vehicle 4WD · engine: 3.6L 6-cyl · transmission: AV-S6 automatic · drive: AWD · MPG retrieved 2026-07-24.