Vehicle Questions and Answers
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2018 Kia Optima: What is the recommended frequency for replacing the engine oil?
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★ Top Answer
In a 2018 Kia Optima, the frequency of oil changes can range from every 3,000 to 10,000 miles, depending on the type of oil you choose. Kia suggests using a high-quality synthetic oil for longer-lasting performance compared to a cheaper conventional oil. Synthetic oils offer advanced protection for your engine's moving parts, durability due to slower breakdown, and better heat resistance than traditional petroleum-based oils. Whether you opt for synthetic or conventional oil, it's important to regularly monitor oil levels and condition in your vehicle.
More answers
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Does a warning symbol appear to indicate when it is necessary to replace the oil?
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The recommended oil change interval for a 2018 Kia Optima is between 3000 to 10000 miles. If you prefer to err on the side of caution, it's advisable to opt for a 3000-mile interval. However, if you drive your car regularly, you could potentially extend it to 10000 miles to save some money.
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