Known problems by model

Kia Optima (2011–2019): what actually fails

The documented failure patterns on used Kia Optimas — the mileage window where each shows up, and what the repair typically costs at an independent shop. This is the same data NoLemon's Brief checks against every VIN.

2011–2019 TYPICAL 60k–160k MI $3,000–$5,500

Theta II engine failure / seizure

Shares the Hyundai Theta II engine and its rod-bearing failures. Check campaign completion and listen for knock.

BEFORE YOU BUY
Ask for repair records covering this item. If it hasn't been addressed and the car is in or near the mileage window, price the $3,000–$5,500 repair into your offer — or make it the seller's problem.

Buying a used Optima?

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Kia Optima (2011–2019): what actually fails

Theta II engine failure / seizure

Buying a used Optima?

More known problems by model