2021 Kia Sedona problems and complaints

Owners have filed 9 complaints with NHTSA about the 2021 Kia Sedona. The most-reported areas: Electrical System (2), Unknown Or Other (2), Vehicle Speed Control (2).

Key takeaways

  • 9 owner complaints on file with NHTSA.
  • 2 involve a crash, 0 a fire, 1 reported injury.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Electrical System222%
Unknown Or Other222%
Vehicle Speed Control222%
Tires222%
Structure111%
Exterior Lighting111%
Engine111%
Lane Departure111%
Air Bags111%
Seat Belts111%
Forward Collision Avoidance111%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2021 Kia Sedona MV FWD5/55/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Structure - filed 2026-08-06

the drivers side passenger sliding door will not latch or close properly. The door started opening while driving and would not close. Luckily i had no children in the car at the time. The safety of my CHILD or any passenger could have been at risk. Driving while a van door is OPENING. I am taking it to the dealer this ...

Electrical System,exterior Lighting,unknown Or Other - filed 2025-10-07

For starters, my lights go out every six months on queue. Cannot find a reason why. My car sputters or shutters when accelerating. I heard other Kia models have recalls due to the same thing. I have had my car in the shop multiple times and no one can figure out why it is doing it. It feels like the belts are slipping ...

Electrical System,engine - filed 2025-08-28

The engine started knocking while I was on [XXX] between mile marker [XXX] and [XXX]. This area is under construction with no shoulders to access and pull over. A shutdown in this situation would surely cause a multi-car accident. There were no warning lamps. Car was towed to Ancira Kia in San Antonio. Here is the RO# ...

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More for the 2021 Kia Sedona

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.