8AT Hyundai
The 8AT Hyundai gearbox is fitted to 11 generation(s): Hyundai Sonata, Hyundai Tucson, Hyundai Santa Fe, Hyundai Palisade, Kia K5, Kia Sorento.
Common problems and what to check
Gearbox: Hyundai/Kia automatic
- kicks on the 2–3 shift and when braking
- solenoid and clutch pack wear at high mileage
What to check when buying: shift shocks; whether the gearbox software was updated.
Tip: Change the oil every 60k km; adaptation often helps.
Cars with this gearbox
Hyundai Sonata VIII (DN8)2019–present · 2.5 Smartstream, 180 hpHyundai Tucson IV (NX4)2020–present · 2.5 Smartstream, 190 hpHyundai Santa Fe IV (TM)2018–2023 · 3.5 V6, 249 hpHyundai Palisade I (LX2)2018–present · 3.5 V6, 249 hpKia K5 III (DL3)2020–present · 2.5 Smartstream, 194 hpKia Sorento III (UM)2014–2020 · 3.5 V6, 249 hpKia Sorento IV (MQ4)2020–present · 2.5, 180 hpKia Carnival IV (KA4)2020–present · 3.5 V6, 294 hpHyundai Grandeur VI (IG)2016–2022 · 3.0 V6, 249 hpHyundai Staria I (US4)2021–present · 3.5 V6, 272 hpKia Mohave I (HM)2008–2024 · 3.0 V6 diesel, 250 hp