Can the Elantra use 5w40 engine oil?

1 Answers
VonLondyn
07/30/25 5:06am
The Hyundai Elantra can use 5W-40 engine oil, but 5W-30 is sufficient. Hyundai officially recommends using engine oil with a viscosity of 20 or 30. Compared to 20 or 30 viscosity oil, 5W-40 has a relatively higher viscosity. Although it offers better high-temperature protection, it also increases engine resistance, leading to higher fuel consumption. If there are no special requirements, 5W-30 viscosity is adequate. Ensuring stable engine operation: The primary condition is to ensure normal and stable engine operation, so it is important to choose the appropriate viscosity grade for your car's engine. Pay attention to oil quality: During use, pay attention to the quality of the engine oil and monitor the condition of the oil filter for any blockages or other issues. If any problems are detected, address them promptly.
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