The Hyundai Elantra 2020 primarily uses SAE 5W-20 synthetic motor oil.
In practice, the 2.0-liter engine used by most 2020 Elantra trims requires synthetic oil meeting API SN or higher and ILSAC GF-5 or higher, with a viscosity of 5W-20 as the standard recommendation. Always verify the exact specification in your owner's manual or with a Hyundai dealer, especially if you have a different engine variant or operate in extreme climates.
Oil specifications for the 2020 Elantra
The following specifications cover the 2.0-liter gasoline engine used in the majority of 2020 Elantra models.
- SAE 5W-20 synthetic motor oil
- API SN or higher (emissions and wear protection)
- ILSAC GF-5 or higher (fuel economy and engine protection)
Using oil that matches these specs will help maintain engine performance, fuel economy, and warranty coverage.
Notes on engine variants and climate
Most 2020 Elantra configurations share the same oil specification, but if your vehicle uses a different engine variant or if you operate in extremely hot or cold conditions, consult the owner's manual or a Hyundai service advisor for confirmation.
Summary
The 2020 Hyundai Elantra uses SAE 5W-20 synthetic motor oil, with specifications API SN or higher and ILSAC GF-5 or higher. Always check your specific trim’s manual to confirm exact oil requirements and schedule changes accordingly.


