Hyundai Sonata · 2011–2025
Hyundai Sonata Fluid Types and Capacities
The specification is not the same across every year we cover, the table below shows exactly where it changes.
Last verified
Has the Hyundai Sonata fluids specification changed by year?
| Model years | Transmission | Coolant | Brake |
|---|---|---|---|
| 2020–2025 | Hyundai/SK ATF SP4 (8-speed automatic, 2.5L/1.6T/2.5T); hybrid uses a 6-speed dual-clutch with its own DCT fluid | Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session | DOT 3 brake fluid |
| 2015–2019 | Hyundai/SK ATF SP-IV (6-speed auto, 2.4L/2.0T); 7-speed dual-clutch uses its own DCT fluid (Eco 1.6T) | Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session | DOT 3 brake fluid |
| 2011–2014 | Hyundai/SK ATF SP-IV (6-speed automatic); sealed on most trims, no routine dipstick check | Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session | DOT 3 brake fluid |
Each row links to the full specification for that generation, including trim-by-trim breakdowns and the part numbers. Where engines within a generation differ, that page separates them.
Full specifications by generation
The fluids on a Hyundai Sonata is set by its generation, not its model year, so each generation has one page carrying the complete figures, part numbers and fitment notes for every year it covers.
Hyundai Sonata fluids: common questions
What transmission fluid does a Hyundai Sonata take?
- Hyundai/SK ATF SP4 (8-speed automatic, 2.5L/1.6T/2.5T); hybrid uses a 6-speed dual-clutch with its own DCT fluid. Transmission fluid specifications are not interchangeable. Friction modifiers differ between them, and the wrong fluid causes shudder long before it causes failure.
What coolant does a Hyundai Sonata use?
- Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session.
What brake fluid does a Hyundai Sonata take?
- DOT 3 brake fluid.
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
Find your exact Sonata
Jump to a model year for the engines it offered, what changed, and the problems documented against it: