← all 2018 Buick Regal AWD trims
2018 Buick Regal AWD — 3.6L 6-cyl, S9 automatic, AWD
This 2018 Buick Regal AWD (3.6L 6-cyl, S9 automatic, AWD) takes regular (87-octane) gasoline. REGULAR
22
MPG combined (19 city / 27 hwy)
$2,591
est. fuel cost / year (today’s prices, 15k mi)
403 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 Buick Regal AWD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.0L 4-cyl, S8 automatic, AWD | PREMIUM | 24 | $2,925 |
EPA fuel type: Regular · class: Large Cars · engine: 3.6L 6-cyl · transmission: S9 automatic · drive: AWD · MPG retrieved 2026-07-24.