Safety Warning
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 Hyundai SonataOil Type & Capacity
OEM spec from the factory service manual for the Hybrid Blue variant.
Quick Answer
Oil Type
$API - SN PLUS SAE 5W-30, SAE 0W-16, SAE 5W-20, SAE 5W-30
Capacity (w/ Filter)
4.50 QTS.
4.25 L
Variant
Hybrid Blue
Note: For better fuel economy, it is recommended to use the engine oil of a viscosity grade SAE 0W-16 (API LATEST).
This vehicle's factory manual
2021 Hyundai Sonata: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Sister site: See this spec on WhatTypeOfOil.com β our quick oil type & capacity lookup for every vehicle.
What You'll Need
Related for Your 2021 Hyundai Sonata
Frequently Asked Questions
- What type of oil does a 2021 Hyundai Sonata take?
- The 2021 Hyundai Sonata requires API - SN PLUS SAE 5W-30, SAE 0W-16, SAE 5W-20, SAE 5W-30. The exact spec may vary slightly by engine variant β this page shows the OEM recommendation for the Hybrid Blue configuration.
- How much oil does a 2021 Hyundai Sonata need?
- The 2021 Hyundai Sonata takes 4.50 QTS. (4.25 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2021 Hyundai Sonata?
- Yes β synthetic oil that meets the API - SN PLUS SAE 5W-30, SAE 0W-16, SAE 5W-20, SAE 5W-30 specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2021 Hyundai Sonata?
- Using oil that does not meet the API - SN PLUS SAE 5W-30, SAE 0W-16, SAE 5W-20, SAE 5W-30 specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.
