2021 Hyundai Kona Safety Report
2021 Hyundai Kona: Excellent Crash Safety, but Significant Engine Reliability Concerns and Recall Overlap
AI Safety Analysis for the 2021 Hyundai Kona
Reliability Score
The 2021 Hyundai Kona 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 2021 Hyundai Kona
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Hyundai Kona:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Engine Stalling/Failure Numerous reports of engines stalling unexpectedly while driving, losing power, rattling, and ultimately failing, often due to piston ring issues or excessive oil consumption. Some instances resulted in complete engine seizure or a piston punching through the engine block. |
High | Common | 60000-90000 miles |
| Excessive Oil Consumption Vehicles consuming excessive amounts of oil (e.g., 3 quarts in 1 week or 1 quart per 1000 miles), leading to low oil levels, timing chain failure, and ultimately engine damage or seizure. This mirrors the recall for piston oil rings. |
High | Common | 60000-90000 miles |
| Piston Oil Ring Defect (Recall Related) A recall (23V-064) exists for 2.0L Nu MPI engines where piston oil rings may not be properly heat-treated, leading to engine damage, stalling, and fire risk. Many 2021 Kona owners report identical symptoms despite their VINs not being included in the recall. |
High | Common | Varies miles |
| Electrical System Malfunctions Reports of dashboard flickering, glitches, battery issues, and intermittent failures of components like the horn, radio, and blind spot warning system. |
Medium | Occasional | Varies miles |
| Hvac Drain Clog/Water Leak Clogged AC drain lines leading to water leaking into the cabin, mold growth, and moisture under carpets. |
Medium | Rare | Varies miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Hyundai Kona:
The most significant problem, encompassing stalling, excessive oil consumption, rattling, misfires, and complete engine failure, often linked to piston ring issues.
A category for various miscellaneous issues not fitting specific components, including general vehicle malfunctions or unclassified problems.
Issues related to the transmission and drivetrain, sometimes overlapping with engine-related power loss.
Problems with battery, dashboard electronics, and various electrical components.
Complaints related to wheels, including issues with tires (e.g., old manufacturing date).
Frequently Asked Questions About the 2021 Hyundai Kona
Is the 2021 Hyundai Kona safe?
Based on NHTSA data, the 2021 Hyundai Kona received excellent crash test ratings (5-star overall, frontal, and side; 4-star rollover). However, its safety is significantly compromised by a high volume of severe engine-related complaints, including stalling and failure, which have led to 2 reported crashes, 3 fires, and 3 injuries. There is also a recall for a piston oil ring defect that many owners report experiencing despite their VIN not being covered.
What are common problems with the 2021 Hyundai Kona?
The most reported issues for the 2021 Hyundai Kona are overwhelmingly related to the ENGINE, accounting for 50 out of 102 total complaints. These include excessive oil consumption, engine stalling, rattling, misfires, and complete engine failure. Other less frequent problems involve the electrical system and power train.
Is there a recall for the 2021 Hyundai Kona engine?
Yes, there is one recall (NHTSA ID: 23V-064) for certain 2019-2021 Kona vehicles equipped with 2.0L Nu MPI engines concerning piston oil rings that may not have been properly heat-treated. This defect can cause engine stalling and increase the risk of fire. Many 2021 Kona owners report experiencing these exact symptoms even if their specific VIN is not included in the recall.
How does the 2021 Hyundai Kona perform in crash tests?
The 2021 Hyundai Kona performs exceptionally well in NHTSA crash tests, achieving a 5-star overall safety rating, 5 stars for frontal crash, 5 stars for side crash, and 4 stars for rollover resistance.
What should I do if my 2021 Hyundai Kona is consuming too much oil or stalling?
If your 2021 Hyundai Kona is experiencing excessive oil consumption, stalling, or other engine issues, it is critical to have it inspected by a qualified mechanic or Hyundai dealership immediately. These symptoms align with a known recall (23V-064) and numerous severe complaints, indicating a potential safety risk. Document all issues and service attempts.
Buyer Advice
Our recommendation: Despite strong crash test ratings, potential buyers should be aware of the significant and widespread engine reliability issues, including a recall for piston oil rings and numerous complaints of stalling and failure. Thoroughly investigate the vehicle's service history, especially engine-related repairs, and consider an extended warranty covering powertrain components.
NHTSA Data Summary for 2021 Hyundai Kona
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Hyundai Kona. The data includes 102 consumer complaints filed by vehicle owners, 1 manufacturer-initiated safety recalls, 2 reported crashes, 3 fire incidents, 3 reported injuries, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2021 Hyundai Kona 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.