FuelFacts

← all 2018 Kia Cadenza trims

2018 Kia Cadenza — 3.3L 6-cyl, S8 automatic, FWD

This 2018 Kia Cadenza (3.3L 6-cyl, S8 automatic, FWD) takes regular (87-octane) gasoline. REGULAR

23
MPG combined (20 city / 28 hwy)
$2,478
est. fuel cost / year (today’s prices, 15k mi)
383 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: 3.3L 6-cyl · transmission: S8 automatic · drive: FWD · MPG retrieved 2026-07-24.