verifiedOEM-verifiedOEM-verified · Updated 2026
2021 Hyundai Sonata Oil Capacity
Smartstream G1.6 T-GDi
With filter5.07 qtViscosity0W-20
Oil Capacity — With Filter
5.07
quarts
4.8 liters
Viscosity
oil_barrel0W-20
With oil filter5.07 qt (4.8 L)
Recommended viscosity0W-20
OEM oil filterVerify by VIN or OEM parts catalog
Change intervalSee owner manual
Drain plug torqueSee owner manual
verifiedSource: 2021 Hyundai Sonata Owner's Manual, Recommended lubricants and capacities section listing Smartstream G1.6 T-GDi at 5.07 US qt. (4.8 l) with SAE 0W-20 API SN PLUS/SP or ILSAC GF-6. · Human-verified
Engine Option
How to Use This Spec
1
Drain old oil completely. Reinstall the drain plug and tighten to the torque listed in the owner manual.
2
Install a new oil filter and pre-lubricate the gasket with clean oil. If the part number is not listed in your manual, confirm it by VIN.
3
Add 5.07 quarts of 0W-20 engine oil through the filler cap.
4
Run engine 30 seconds, check dipstick, top off to FULL mark if needed. Reset oil life monitor if equipped.
warningImportant Notes
- • Always verify with your OEM owner's manual. Specifications may vary by trim level and production date.
- • The drain plug gasket should be inspected and replaced if deformed.
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Always verify against your OEM owner's manual. Specs may vary by trim and production date.