Most 2015 Hyundai models require SAE 5W-20 motor oil, typically in a synthetic or synthetic-blend form.
The exact specification can vary by engine and climate, so it's important to verify with the owner's manual, the oil fill cap, or your dealer.
How to determine the right oil for your 2015 Hyundai
Because the 2015 lineup includes multiple models and engines, the correct oil can vary. The steps below help you confirm the right grade and type.
- Check the owner's manual section on engine oil for the recommended viscosity and specification.
- Look at the oil fill cap under the hood; many Hyundai caps list the recommended viscosity (for example, "5W-20").
- Inspect the service sticker in the engine bay or the maintenance history from your dealer; it may show the recommended oil grade and interval.
- If you're unsure after checking manuals and caps, contact a Hyundai dealership or Hyundai's official support to confirm the exact specification for your VIN.
Following these steps will help ensure you use the right oil for your 2015 Hyundai.
Oil types and certifications to look for
For most 2015 Hyundai engines, the standard viscosity is 5W-20 with synthetic or synthetic-blend oil. Oils should meet API SN or newer and ILSAC GF-5 certification. In hot climates, or for certain engines, Hyundai may approve 5W-30 as an alternative—but this should be confirmed in the manual or with a dealer.
- Viscosity: 5W-20 (primary recommendation for most engines).
- Alternatives: 5W-30 may be allowed in some climates or for certain engines as specified by the manual.
- Certifications: API SN or newer; ILSAC GF-5 or newer.
Note: Always verify the exact specification for your vehicle's year, model, engine, and VIN since there can be variations within the 2015 lineup.
Summary
In brief, most 2015 Hyundai models use SAE 5W-20 motor oil, preferably synthetic or synthetic blend, that meets API SN and ILSAC GF-5 standards. Always confirm with the owner's manual, oil cap, or dealer to ensure the right grade and specification for your specific car.