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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Kia K5Oil Type & Capacity
OEM spec from the factory service manual for the EX variant.
Quick Answer
Oil Type
SAE 0W-20, API SN Plus/SP or ILSAC GF-6
Capacity (w/ Filter)
5.07 QTS.
4.79 L
Variant
EX
Note: If mineral or semi-synthetic oil is used, it is a severe maintenance condition in terms of engine oil change.
Source: Factory service manual — 2021 Kia K5 EX. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of oil does a 2021 Kia K5 take?
- The 2021 Kia K5 requires SAE 0W-20, API SN Plus/SP or ILSAC GF-6. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the EX configuration.
- How much oil does a 2021 Kia K5 need?
- The 2021 Kia K5 takes 5.07 QTS. (4.79 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2021 Kia K5?
- Yes — synthetic oil that meets the SAE 0W-20, API SN Plus/SP or ILSAC GF-6 specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2021 Kia K5?
- Using oil that does not meet the SAE 0W-20, API SN Plus/SP or ILSAC GF-6 specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.