2021 Kia Sedona problems
Light NHTSA footprint — 8 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2021 Kia Sedona has 8 NHTSA owner complaints on file (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2018 Sedona | 47 | 3 |
| 2019 Sedona | 35 | 2 |
| 2020 Sedona | 20 | 1 |
| 2021 Sedona (this page) | 8 | 0 |
Limited NHTSA data — only 8 complaints on file. The score reflects what's reported, but a small sample skews easily.
Only 8 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
NHTSA crash-test safety ratings 5 / 5 overall
Driver-assist features on the tested model: Electronic stability control: Standard · Forward collision warning: Optional · Lane departure warning: Optional
Source: NHTSA New Car Assessment Program — tested configuration: 2021 Kia Sedona MV FWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
What owners are saying recent NHTSA-filed complaints · verbatim
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…
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…
We purchased a brand-new 2021 Kia Sedona in 2021. Since January, we’ve been experiencing an intermittent but serious issue where the vehicle refuses to accelerate or shift beyond a certain point. This issue has put us in dangerous situations multiple times. One incident…
I was in a car wreck and my air bags did not deploy and my seat belt did not lock. The other vehicle involved in the car accident immediately deployed its airbags. I did not ask for an ambulance because I do not know if my insurance covers it so I went personally to the…
Common questions
Is the 2021 Kia Sedona reliable?
Limited NHTSA data. Only 8 owner complaints have been filed for the 2021 Kia Sedona, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2021 Kia Sedona?
Only 8 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2021 Kia Sedona without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2021 Kia Sedona?
There isn't enough NHTSA complaint data on the 2021 Kia Sedona to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2021 Kia Sedona a good used car to buy?
Hard to say from federal data alone — only 8 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2021 Kia Sedona?
No problem area has crossed our reporting threshold yet, which is a good sign for this vehicle.
What's the most expensive thing that goes wrong?
Major repair items haven't been flagged often enough on this vehicle to single one out.
How do I check if my Kia Sedona has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2021 Kia Sedona?
Hard to say from NHTSA data alone with only 8 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.