2021 Kia Sedona Safety Report
2021 Kia Sedona: Strong Crash Test Scores Mask Concerning Real-World Component Failures and Airbag Deployment Issues
AI Safety Analysis for the 2021 Kia Sedona
Reliability Score
The 2021 Kia Sedona receives a reliability score of 65 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.
Known Issues for the 2021 Kia Sedona
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Kia Sedona:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Intermittent Acceleration/Shifting Issues Vehicle intermittently refuses to accelerate or shift beyond a certain point, leading to dangerous situations, as reported in one complaint. |
High | Occasional | unknown miles |
| Engine Knocking/Failure Engine started knocking without warning lamps, requiring towing, as reported in one complaint. |
High | Rare | unknown miles |
| Airbag Non-Deployment And Seatbelt Failure In Crash Airbags did not deploy and seatbelt did not lock in a car wreck, resulting in injury, as reported in one complaint. |
High | Rare | unknown miles |
| Repeated Tire Failures (Oem) Multiple failures of OEM tires (e.g., belt breakage, vibration), with one complaint detailing four failures of the same DOT number tires. |
Medium | Occasional | 16000-unknown miles |
| Exterior Lighting Failure Lights going out every six months without a clear reason, as reported in one complaint. |
Medium | Occasional | unknown miles |
| Unintended Deceleration (Cruise Control) Vehicle suddenly and automatically decelerated sharply while on cruise control at 45 MPH, as reported in one complaint. |
High | Rare | unknown miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Kia Sedona:
Two out of eight complaints relate to tire issues, including multiple failures of OEM tires and abnormal vibrations.
One complaint mentions exterior lighting failures and sputtering/shuttering, potentially electrical in nature.
One complaint details engine knocking without warning lamps, indicating a serious engine malfunction.
Two complaints involve vehicle speed control issues: one with unintended sharp deceleration on cruise control and another with intermittent acceleration/shifting problems.
One complaint reports airbags failing to deploy in a crash, despite high crash test ratings.
One complaint reports seat belts failing to lock in a crash, alongside airbag non-deployment.
Frequently Asked Questions About the 2021 Kia Sedona
Is the 2021 Kia Sedona safe?
Based on NHTSA data, the 2021 Kia Sedona received excellent crash test ratings (5-star Overall, Frontal, Side; 4-star Rollover). However, 8 total complaints, including 2 crashes and 1 injury, raise concerns. Specifically, one complaint details airbags failing to deploy and seatbelts not locking in a crash, which directly contradicts its high crash test scores and indicates potential real-world safety deficiencies in certain circumstances. Other complaints point to serious issues like engine knocking and intermittent acceleration problems.
What are common problems for the 2021 Kia Sedona?
The most reported issues for the 2021 Kia Sedona, based on NHTSA complaints, include tire failures (25% of complaints), vehicle speed control issues (25% of complaints, including unintended deceleration and intermittent acceleration problems), and critical safety component failures such as airbags not deploying and seatbelts not locking in a crash (12.5% of complaints). Engine knocking and exterior lighting failures have also been reported.
Are there any recalls for the 2021 Kia Sedona?
No, according to the provided data, there are currently no recalls issued for the 2021 Kia Sedona.
How does the 2021 Kia Sedona perform in crash tests?
The 2021 Kia Sedona performs exceptionally well in NHTSA crash tests, earning a 5-star Overall Vehicle Score, 5 stars for Frontal Crash, 5 stars for Side Crash, and 4 stars for Rollover. These ratings indicate a high level of occupant protection in controlled testing environments.
Should I be concerned about the engine in a 2021 Kia Sedona?
While only one complaint specifically mentions engine knocking without warning lamps, it is a severe issue. This, combined with another complaint about sputtering/shuttering, suggests potential engine-related concerns that warrant attention, especially given the lack of recalls addressing such problems.
Buyer Advice
Our recommendation: While the 2021 Kia Sedona boasts excellent crash test ratings, potential buyers should be aware of reported critical safety issues like airbag non-deployment and intermittent acceleration problems, along with recurring tire failures. Thorough pre-purchase inspections, especially of the engine, electrical system, and tires, are highly recommended.
NHTSA Data Summary for 2021 Kia Sedona
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Kia Sedona. The data includes 8 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, 2 reported crashes, 1 reported injuries, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2021 Kia Sedona an overall safety rating of 5 out of 5 stars, with a frontal crash rating of 5 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.