Kia Optima

Kia Optima

Kia Optima

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On the Road
During our seat time in and around Seattle, we test drove an EX with the Fuel Economy Package and an SX version. We found the EX's 5-speed automatic a bit annoying in its rush to get into fifth ...

Rear differential (4WD)
Checking or changing rear differential fluid Have rear differential fluid checked or changed by an Authorized Kia Dealer according to the Maintenance Schedule at the beginning of this section. ...

Vehicle break-in process
No special break-in period is needed. By following a few simple precautions for the first 1,000 km (600 miles) you may add to the performance, economy and life of your vehicle. • Do not race th ...