2020–2025 DN8 (8th generation)
2020–2025 Hyundai Sonata Oil Type and Capacity
The 2020–2025 Hyundai Sonata takes 0W-20 engine oil, 6.1 quarts with a filter change by engine. Verified against factory documentation, with change intervals and aftermarket filter equivalents.
Last verified
Quick answer
2020–2025 Hyundai Sonata 2.5L 4-cylinder (Smartstream G4KN GDI) oil
Verified| Spec | Value |
|---|---|
| Viscosity | 0W-20 |
| Oil standard | API SP / ILSAC GF-6 |
| Capacity (with filter) | 6.1 qt / 5.8 L |
| Synthetic required | Yes |
| Change interval | 7,500 mi / 6 months (normal); 3,750 mi (severe) |
Verified consistently across multiple 2022–2023 fitment guides.
2020–2025 Hyundai Sonata 1.6L Turbo 4-cylinder (Smartstream G1.6 T-GDI) oil
Check your manual| Spec | Value |
|---|---|
| Viscosity | 0W-20 |
| Allowed alternates | 5W-30 (Reported acceptable alternate for this engine family) |
| Capacity (with filter) | 5.1 qt / 4.8 L |
| Synthetic required | Yes |
| Change interval | 7,500 mi / 6 months (normal); 3,750 mi (severe) |
Offered briefly as the mid-level turbo option before the 2.5T N Line replaced it in the lineup. Confirm the exact year it was dropped in your market.
2020–2025 Hyundai Sonata 2.5L Turbo 4-cylinder (Smartstream G2.5 T-GDI, N Line) oil
High confidence| Spec | Value |
|---|---|
| Viscosity | 0W-30 |
| Allowed alternates | 0W-20 (This is what's printed on the oil fill cap and is widely reported by owners; the owner's manual itself specifies 0W-30 as primary. This cap-vs-manual mismatch is well documented, go by the manual's spec page for your VIN.) |
| Oil standard | API SP |
| Capacity (with filter) | 6.1 qt / 5.8 L |
| Synthetic required | Yes |
| Change interval | 7,500 mi / 6 months (normal); 3,750 mi (severe) |
Multiple independent owner-manual citations converge on 0W-30 as the manual's factory-fill spec despite the 0W-20 cap markings.
2020–2025 Hyundai Sonata 1.6L Turbo Hybrid (Smartstream G1.6 T-GDI + electric motor) oil
Check your manual| Spec | Value |
|---|---|
| Viscosity | 0W-20 |
| Capacity (with filter) | 5.1 qt / 4.8 L |
| Synthetic required | Yes |
| Change interval | 7,500 mi / 6 months (normal); 3,750 mi (severe) |
The Sonata Hybrid uses a turbocharged 1.6L Smartstream engine, not the 2.0L used in the LF-generation hybrid, a distinction some quick-reference guides get wrong. Oil spec assumed to match the non-hybrid 1.6T; not independently confirmed as hybrid-specific this session.
Which Hyundai Sonata model years does this cover?
These oil specifications apply to every Hyundai Sonata built from 2020 through 2025 — the DN8 (8th generation), mid-size sedan. Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.
What changed during the 2020–2025 Hyundai Sonata
- 2020Generation launch; 2.5L and 1.6T gas engines, plus Hybrid, at launch
- 2021N Line trim introduced with the 2.5T Smartstream engine; 1.6T dropped from most trims
- 2022N Line Night Edition appearance package added; panoramic sunroof newly available
- 2023SEL trim gains a larger touchscreen infotainment system with navigation; Highway Driving Assist added to the driver-assist suite
- 2024Facelift with revised front/rear styling and updated interior tech
2020–2025 Hyundai Sonata oil: common questions
How many quarts of oil does a 2020–2025 Hyundai Sonata take?
- It depends on the engine. The 2.5L 4-cylinder (Smartstream G4KN GDI) takes 6.1 quarts; The 1.6L Turbo 4-cylinder (Smartstream G1.6 T-GDI) takes 5.1 quarts; The 2.5L Turbo 4-cylinder (Smartstream G2.5 T-GDI, N Line) takes 6.1 quarts; The 1.6L Turbo Hybrid (Smartstream G1.6 T-GDI + electric motor) takes 5.1 quarts, all figures include a new filter.
What kind of oil does a 2020–2025 Hyundai Sonata take?
- 0W-20 meeting API SP / ILSAC GF-6, full synthetic (required, not merely recommended). Other engines in this vehicle may differ; see the table above.
Can you use a different viscosity in a 2020–2025 Hyundai Sonata?
- The factory specification is 0W-20 and no alternate grade is listed for this engine. Modern variable-valve-timing hardware is sized around the specified viscosity, so substituting a thicker oil is not a free choice.
How often does a 2020–2025 Hyundai Sonata need an oil change?
- 7,500 mi / 6 months (normal); 3,750 mi (severe). Short trips, towing, extended idling, and dusty or very cold conditions all put the vehicle on the severe-service side of that interval.
Sources
- Wikipedia, Hyundai Smartstream engine family (G1.6T, G1.6T Hybrid, displacement/output data)
- AMSoil lookup, 2022 Sonata 2.5L oil viscosity/capacity
- Costa Oils, 2023 Sonata 2.5L Turbo (N Line) oil guide
- Hyundai Forums, N Line owner's manual 0W-30 vs. 0W-20 cap discussion
- Goodyear, 2024 Sonata factory tire fitments by trim
- Headquarter Hyundai, 2020 Sonata fuel tank capacity and EPA mpg
- US News, 2021 Sonata Limited 1.6T engine specs
- Go-Parts, 2021–2024 Hyundai/Kia 2.5L Smartstream (G4KN) oil dilution/piston-ring notes