2018 Kia Sedona Safety Report
2018 Kia Sedona: High Crash Test Scores Mask Significant Engine Failure and Airbag Concerns
AI Safety Analysis for the 2018 Kia Sedona
Reliability Score
The 2018 Kia Sedona receives a reliability score of 45 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 2018 Kia Sedona
The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Kia Sedona:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Engine Failure/Malfunction Numerous reports of sudden engine failure, blown head gaskets, cracked blocks, excessive oil consumption, and loss of power, often leading to smoke, fuel leaks, and vehicle fires. Many incidents occur without warning lights. |
High | Common | 60000-108000 miles |
| Airbag System Malfunction/Non-Deployment Airbag warning lights illuminating, and in some cases, airbags failing to deploy during a crash, even after recall repairs. Linked to ACU and ODS wiring harness issues. |
High | Occasional | variable miles |
| Power Sliding Door Malfunction Power sliding doors failing to auto-reverse when obstructed, increasing the risk of injury, as well as doors getting stuck in closed positions. |
Medium | Occasional | variable miles |
| Steering System Stiffening/Failure Reports of the steering wheel becoming stiff and difficult to turn while driving, posing a significant safety hazard. |
High | Rare | variable miles |
| Seatbelt Malfunction A specific complaint of a seatbelt tightening excessively and getting stuck around a child's neck, requiring it to be cut. |
Medium | Rare | variable miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2018 Kia Sedona:
The most frequently reported issue, with 15 complaints, involves various engine failures, including sudden power loss, smoke, fuel leaks, and complete engine breakdown, sometimes resulting in fires.
Four complaints relate to the electrical system, often intertwined with engine issues or airbag warning lights.
Three complaints specifically mention airbag issues, including warning lights and non-deployment during accidents, despite recall efforts.
Two complaints are related to the vehicle's structure, specifically concerning power sliding door malfunctions.
Frequently Asked Questions About the 2018 Kia Sedona
Is the 2018 KIA SEDONA safe?
Based on NHTSA data, the 2018 Kia Sedona received excellent 5-star crash test ratings, indicating strong occupant protection in collisions. However, it has 44 total complaints, including 4 fires and 1 injury, with a significant 34% of complaints (15) related to engine failure. There are also 3 safety recalls, addressing airbag and power sliding door issues, which raise concerns about real-world safety despite high crash test scores.
What are common problems with the 2018 KIA SEDONA?
The most reported issues for the 2018 Kia Sedona are engine failures (15 complaints), including sudden power loss, smoke, fuel leaks, and complete engine breakdown, often without warning. Other common problems include electrical system malfunctions (4 complaints) and airbag system issues (3 complaints), such as warning lights and non-deployment.
Are there any recalls for the 2018 KIA SEDONA?
Yes, the 2018 Kia Sedona has 3 safety recalls. These include recalls for the Air Bag Control Unit (ACU) which could prevent airbags from deploying, the Occupant Detection System (ODS) wiring harness affecting front passenger airbag deployment, and the power sliding door (PSD) not auto-reversing when obstructed.
What mileage do engine problems typically occur in the 2018 KIA SEDONA?
Based on complaint data, engine problems in the 2018 Kia Sedona are frequently reported in the mileage range of 60,000 to 108,000 miles, with several owners experiencing complete engine failure within this period.
Does the 2018 KIA SEDONA have fire risks?
Yes, the 2018 Kia Sedona has 4 reported fire incidents among its 44 complaints. These fires are primarily linked to engine malfunctions, with owners describing smoke and flames emanating from the engine compartment while driving.
Buyer Advice
Our recommendation: While the 2018 Kia Sedona boasts high crash test ratings, potential buyers should be aware of the significant risk of engine failure and persistent airbag system concerns, even after recalls. Thorough pre-purchase inspection, especially of the engine and airbag system, and a review of service history are highly recommended.
NHTSA Data Summary for 2018 Kia Sedona
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2018 Kia Sedona. The data includes 44 consumer complaints filed by vehicle owners, 3 manufacturer-initiated safety recalls, 1 reported crashes, 4 fire incidents, 1 reported injuries, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2018 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.