← all 2018 Chevrolet Impala trims
2018 Chevrolet Impala — 2.5L 4-cyl, S6 automatic, FWD
This 2018 Chevrolet Impala (2.5L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
25
MPG combined (22 city / 30 hwy)
$2,500
est. fuel cost / year (EPA, 15k mi)
360 g/mi
tailpipe CO₂
Other 2018 Chevrolet Impala trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.6L 6-cyl, S6 automatic, FWD | REGULAR | 22 | $2,850 |
| 3.6L 6-cyl, S6 automatic, FWD | FLEX-FUEL | 22 | $2,850 |
EPA fuel type: Regular · class: Large Cars · retrieved 2026-06-14.