2021 Hyundai SonataTransmission Fluid Type & Capacity

OEM transmission fluid spec from the factory service manual for the 2021-2023 (2021-2023).

Quick Answer

Transmission Fluid

6.30 QTS. (5.96 L) β€” MICHANG ATF SP-IV SK ATF SP-IV, NOCA AFT SP-IV, HYUNDAI genuine ATF SP-IV or other brands meeting the specifications approved by Hyundai Motor Co.,

6.89 QTS. (6.52 L) β€” MICHANG ATF SP-IV SK ATF SP-IV, NOCA AFT SP-IV, HYUNDAI genuine ATF SP-IV or other brands meeting the specifications approved by Hyundai Motor Co.,

Source: Factory service manual β€” 2021 Hyundai Sonata 2021-2023.

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Frequently Asked Questions

What transmission fluid does a 2021 Hyundai Sonata use?
The 2021 Hyundai Sonata uses 6.30 QTS. (5.96 L) β€” MICHANG ATF SP-IV SK ATF SP-IV, NOCA AFT SP-IV, HYUNDAI genuine ATF SP-IV or other brands meeting the specifications approved by Hyundai Motor Co.,, 6.89 QTS. (6.52 L) β€” MICHANG ATF SP-IV SK ATF SP-IV, NOCA AFT SP-IV, HYUNDAI genuine ATF SP-IV or other brands meeting the specifications approved by Hyundai Motor Co.,, 3.55 QTS. (3.35 L) β€” GS WDCTF HD G (WET DCT FLUID), 6.89 QTS. (6.52 L) β€” MICHANG ATF SP-IV SK ATF SP-IV, NOCA AFT SP-IV, HYUNDAI genuine ATF SP-IV or other brands meeting the specifications approved by Hyundai Motor Co.,.
How much transmission fluid does a 2021 Hyundai Sonata take?
Refer to the factory service manual for the exact transmission fluid capacity.
When should I change the transmission fluid in my 2021 Hyundai Sonata?
Most manufacturers recommend transmission fluid changes every 30,000–60,000 miles for automatics. Check your factory service manual for the exact interval.