--- title: "Hyundai Sonata Transmission Fluid & Coolant" description: "How the Hyundai Sonata fluids specification changed from 2011 to 2025, compared generation by generation. Which transmission fluid, coolant, and brake fluid the Hyundai Sonata takes, with capacities and the specifications each one has to meet. Transmission: 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. Coolant: Hyundai Long Life Coolant (silicate-free); capacity not independently confirmed this session." url: "https://whichcarparts.com/cars/hyundai/sonata/fluids" updated: "2026-08-21" --- # 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. ## Has the Hyundai Sonata fluids specification changed by year? | Model years | Transmission | Coolant | Brake | | --- | --- | --- | --- | | [2020-2025](https://whichcarparts.com/cars/hyundai/sonata/2020-2025/fluids) | 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](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/fluids) | 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](https://whichcarparts.com/cars/hyundai/sonata/2011-2014/fluids) | 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 | ## 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. - [2020-2025 Hyundai Sonata Fluids](https://whichcarparts.com/cars/hyundai/sonata/2020-2025/fluids) - [2015-2019 Hyundai Sonata Fluids](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/fluids) - [2011-2014 Hyundai Sonata Fluids](https://whichcarparts.com/cars/hyundai/sonata/2011-2014/fluids) ## 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)](https://en.wikipedia.org/wiki/Hyundai_Smartstream_engine) - [AMSoil lookup, 2022 Sonata 2.5L oil viscosity/capacity](https://www.amsoil.com/lookup/auto-and-light-truck/2022/hyundai/sonata/2-5l-4-cyl-engine-code-a-a/) - [Costa Oils, 2023 Sonata 2.5L Turbo (N Line) oil guide](https://costaoils.com/2023-hyundai-sonata-2-5l-turbo-oil-change-guide-2/) - [Hyundai Forums, N Line owner's manual 0W-30 vs. 0W-20 cap discussion](https://www.hyundai-forums.com/threads/0w-20-oil-only-one-listed.671641/) - [Goodyear, 2024 Sonata factory tire fitments by trim](https://www.goodyear.com/en-us/vehicles/Hyundai/Sonata/2024) - [Headquarter Hyundai, 2020 Sonata fuel tank capacity and EPA mpg](https://www.headquarterhyundai.com/research/2020-hyundai-sonata-mpg/) - [US News, 2021 Sonata Limited 1.6T engine specs](https://cars.usnews.com/cars-trucks/hyundai/sonata/2021/specs/sonata-limited-1-6t-416162) - [Go-Parts, 2021-2024 Hyundai/Kia 2.5L Smartstream (G4KN) oil dilution/piston-ring notes](https://www.go-parts.com/garage/engine-complete-assembly-kia-sorento-hyundai-santa-fe-hyundai-sonata-2021-2024) ## Find your exact Sonata - [2025](https://whichcarparts.com/cars/hyundai/sonata/2025) - [2024](https://whichcarparts.com/cars/hyundai/sonata/2024) - [2023](https://whichcarparts.com/cars/hyundai/sonata/2023) - [2022](https://whichcarparts.com/cars/hyundai/sonata/2022) - [2021](https://whichcarparts.com/cars/hyundai/sonata/2021) - [2020](https://whichcarparts.com/cars/hyundai/sonata/2020) - [2019](https://whichcarparts.com/cars/hyundai/sonata/2019) - [2018](https://whichcarparts.com/cars/hyundai/sonata/2018) - [2017](https://whichcarparts.com/cars/hyundai/sonata/2017) - [2016](https://whichcarparts.com/cars/hyundai/sonata/2016) - [2015](https://whichcarparts.com/cars/hyundai/sonata/2015) - [2014](https://whichcarparts.com/cars/hyundai/sonata/2014) - [2013](https://whichcarparts.com/cars/hyundai/sonata/2013) - [2012](https://whichcarparts.com/cars/hyundai/sonata/2012) - [2011](https://whichcarparts.com/cars/hyundai/sonata/2011) More Hyundai Sonata guides: - [Oil & filter](https://whichcarparts.com/cars/hyundai/sonata/oil) - [Battery](https://whichcarparts.com/cars/hyundai/sonata/battery) - [Tires & wheels](https://whichcarparts.com/cars/hyundai/sonata/tires) - [Wiper blades](https://whichcarparts.com/cars/hyundai/sonata/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/hyundai/sonata/filters) - [Bulbs](https://whichcarparts.com/cars/hyundai/sonata/bulbs) - [Brakes](https://whichcarparts.com/cars/hyundai/sonata/brakes) - [Service schedule](https://whichcarparts.com/cars/hyundai/sonata/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/hyundai/sonata/common-problems) - [Oil light reset](https://whichcarparts.com/cars/hyundai/sonata/oil-reset) - [Key fob battery](https://whichcarparts.com/cars/hyundai/sonata/key-fob-battery) - [Specs](https://whichcarparts.com/cars/hyundai/sonata/specs) Specifications vary with engine option, production date, and market.