2011 Hyundai EquusOil Type & Capacity

OEM spec from the factory service manual for the Signature variant.

Quick Answer

Oil Type

API - SM, ILSAC GF-4 or above, SAE 5W-20, 5W-30

Capacity (w/ Filter)

6.87 QTS.

6.5 L

Variant

Signature

Note: If the API service SM engine oil is not available, you may use API service SL.
Source: Factory service manual β€” 2011 Hyundai Equus Signature. View full manual section β†’

Frequently Asked Questions

What type of oil does a 2011 Hyundai Equus take?
The 2011 Hyundai Equus requires API - SM, ILSAC GF-4 or above, SAE 5W-20, 5W-30. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the Signature configuration.
How much oil does a 2011 Hyundai Equus need?
The 2011 Hyundai Equus takes 6.87 QTS. (6.5 L) of engine oil with the filter replaced.
Can I use synthetic oil in my 2011 Hyundai Equus?
Yes β€” synthetic oil that meets the API - SM, ILSAC GF-4 or above, SAE 5W-20, 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 2011 Hyundai Equus?
Using oil that does not meet the API - SM, ILSAC GF-4 or above, SAE 5W-20, 5W-30 specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.