2018 Kia Optima — 2.0L 4-cyl, S6 automatic, FWD
This 2018 Kia Optima (2.0L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR
25
MPG combined (22 city / 31 hwy)
$2,280
est. fuel cost / year (today’s prices, 15k mi)
360 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 Kia Optima trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 1.6L 4-cyl, AM7 automatic, FWD | REGULAR | 31 | $1,839 |
| 2.4L 4-cyl, S6 automatic, FWD | REGULAR | 28 | $2,036 |
EPA fuel type: Regular · class: Large Cars · engine: 2.0L 4-cyl turbo · transmission: S6 automatic · drive: FWD · MPG retrieved 2026-07-24.