Vehicle Questions and Answers
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For the 2017 Kia Optima, you should use either 5w-30 or 5w-40 oil and the engine requires 4.8 quarts for the 1.6 L 4-cylinder engine. It is important to change your oil when necessary, typically around every 5,000 to 10,000 miles. Neglecting to change it can lead to engine problems. Using high-quality oil is essential for smooth engine operation. Issues related to the oil may arise eventually, such as a strong burning odor, which should be addressed promptly to avoid potential dangers like engine failure. Poor-quality oil can cause the engine to fail, resulting in decreased gas mileage and the emergence of knocking noises from the engine.
In the 2017 Kia Optima, all engines are designed to operate with full synthetic oil. This includes the 1.6L and 2.0L 4-cylinder engines which require SAE 5W-30 or 5W-40, while the 2.4L 4-cylinder engine suggests using SAE 5W-20. Each engine has a specific oil capacity - 4.8 quarts for the 1.6L engine and 5.1 quarts for the 2.0L and 2.4L engines, all when equipped with new filters.