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2018 Kia Optima fuel consumption
2 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.
Fuel use, combined
8.3–8.5 L/100km
lower is better
Cost to run a year
$2,150–$2,202
at 14,000km
CO₂ from the exhaust
194–199 g/km
per kilometre
Uses 14% more fuel than the typical 2018 car, which averaged 7.3 L/100km.
Every 2018 Kia Optima version
| Version | Engine | Fuel use | City | Highway | Cost/year | CO₂ |
|---|---|---|---|---|---|---|
| Si Sedan Auto | 2.4L 4cyl Petrol 91RON | 8.3 | 12.0 | 6.2 | $2,150 | 194 Slightly worse than average |
| GT Sedan Auto | 2L 4cyl Turbo Petrol 91RON | 8.5 | 12.5 | 6.3 | $2,202 | 199 Slightly worse than average |
Kia Optima in other years
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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.