2021 Kia Soul Safety Report

2021 Kia Soul: Strong crash ratings overshadowed by widespread engine failures and recalls.

187Complaints
2Recalls
★★★★☆Safety Rating
45/100Reliability Score
12Crash Reports
3Fire Reports
5Injuries
Most reported components: Engine (78)Engine And Engine Cooling (32)Unknown Or Other (10)Power Train (7)Service Brakes,Forward Collision Avoidance (3)Power Train,Engine (3)Power Train,Engine,Fuel/Propulsion System (3)Steering (3)Engine,Fuel/Propulsion System (2)Electrical System,Engine (2)

AI Safety Analysis for the 2021 Kia Soul

The 2021 Kia Soul presents a mixed safety picture, with strong crash test performance but significant concerns regarding engine reliability and potential for sudden power loss. NHTSA awarded the vehicle an excellent 5-star rating for side impact and a respectable 4-star rating for overall, frontal, and rollover safety. However, the vehicle has accumulated 187 complaints, with a striking 78 complaints related to the ENGINE and 32 to ENGINE AND ENGINE COOLING, indicating a pervasive issue. These engine problems have led to 12 reported crashes, 3 fires, and 5 injuries, highlighting the severity of the defect. Two recalls have been issued, both directly addressing engine issues. Recall 21V259000 (ENGINE AND ENGINE COOLING) and 21V259 (ENGINE) both concern incorrectly manufactured or heat-treated piston oil rings, which can lead to engine damage, stalling, and an increased risk of fire or crash. Despite these recalls, numerous complaints detail ongoing engine failures, excessive oil consumption, stalling at various speeds, and even complete engine seizure, with some owners reporting their VINs are excluded from recalls despite experiencing identical symptoms. Beyond the engine, there are isolated but critical complaints regarding the power train, with one specific mention of transmission failure leading to power loss at high speeds. There are also a few complaints about the service brakes and forward collision avoidance system failing, which, while fewer in number, represent serious safety concerns. The high volume of engine-related complaints, coupled with the direct link to recalls and reported incidents, suggests that while the vehicle performs well in controlled crash tests, its operational reliability, particularly concerning the engine, poses a significant real-world safety risk.

Reliability Score

The 2021 Kia Soul 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 Kia Soul

The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Kia Soul:

IssueSeverityFrequencyTypical Mileage
Engine Stalling/Failure Due To Piston Oil Rings
Incorrectly manufactured piston oil rings lead to engine damage, excessive oil consumption, stalling, and potential fire risk. Multiple complaints describe sudden power loss while driving.
High Common variable, often early miles
Excessive Oil Consumption
Vehicles consume excessive amounts of oil, often leading to dry dipsticks and engine damage if not constantly monitored, linked to piston ring issues.
Medium Common 10000-50000 miles
Transmission Failure/Loss Of Power
Reported instances of transmission failure causing loss of power, particularly at high speeds, creating unsafe driving conditions.
High Occasional 30000-40000 miles
Forward Collision-Avoidance Assist (Fca) / Automatic Emergency Braking (Aeb) Failure
Isolated complaints of the FCA/AEB system failing to engage or brake as expected during imminent collision events.
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 Soul:

Engine 41% of complaints

The most prevalent issue, with 78 complaints, relates to engine problems including stalling, knocking, excessive oil consumption, and complete failure, often linked to piston ring defects.

Engine And Engine Cooling 17% of complaints

32 complaints specifically mention engine and cooling system issues, often overlapping with the broader engine problems and related recalls.

Power Train 3% of complaints

7 complaints cite power train issues, including transmission problems leading to loss of power.

Service Brakes,Forward Collision Avoidance 1% of complaints

3 complaints indicate issues with the service brakes and the forward collision avoidance system, including failure to brake.

Frequently Asked Questions About the 2021 Kia Soul

Is the 2021 Kia Soul safe?

Based on NHTSA data, the 2021 Kia Soul received strong crash test ratings (4-star overall, 5-star side). However, it has a significant number of complaints (187 total), with 78 related to the engine, leading to 12 crashes, 3 fires, and 5 injuries. Two recalls address critical engine defects. While it performs well in impacts, its operational reliability, particularly the engine, poses a notable safety concern.

What are common problems with the 2021 Kia Soul?

The most reported issues for the 2021 Kia Soul are overwhelmingly engine-related, accounting for 78 complaints. These include engine stalling, knocking, excessive oil consumption, and complete engine failure, often linked to defective piston oil rings. Power train issues, including transmission problems, are also reported, though less frequently.

Are there any recalls for the 2021 Kia Soul?

Yes, there are two recalls for the 2021 Kia Soul, both concerning the engine. Recall 21V259000 and 21V259 address incorrectly manufactured piston oil rings that can lead to engine damage, stalling, and an increased risk of fire or crash.

Does the 2021 Kia Soul have issues with excessive oil consumption?

Yes, numerous complaints for the 2021 Kia Soul describe severe and excessive oil consumption, often leading to the oil dipstick being completely dry between scheduled oil changes. This issue is frequently linked to the defective piston oil rings addressed in the engine recalls.

How does the 2021 Kia Soul perform in crash tests?

The 2021 Kia Soul received a 4-star overall safety rating from NHTSA. It scored 4 stars for frontal crash, 5 stars for side crash, and 4 stars for rollover resistance, indicating good performance in controlled crash scenarios.

Buyer Advice

Our recommendation: Given the widespread and severe engine issues, including recalls and numerous complaints of stalling and failure, potential buyers should proceed with extreme caution and ensure any recalled engine components have been properly addressed, ideally with proof of repair or replacement.

NHTSA Data Summary for 2021 Kia Soul

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Kia Soul. The data includes 187 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, 12 reported crashes, 3 fire incidents, 5 reported injuries, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2021 Kia Soul an overall safety rating of 4 out of 5 stars, with a frontal crash rating of 4 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.