FuelFacts

← all 2018 Kia Optima FE trims

2018 Kia Optima FE — 2.4L 4-cyl, S6 automatic, FWD

This 2018 Kia Optima FE (2.4L 4-cyl, S6 automatic, FWD) takes regular (87-octane) gasoline. REGULAR

29
MPG combined (25 city / 36 hwy)
$1,966
est. fuel cost / year (today’s prices, 15k mi)
310 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.

EPA fuel type: Regular · class: Large Cars · engine: 2.4L 4-cyl · transmission: S6 automatic · drive: FWD · MPG retrieved 2026-07-24.