2021 Kia Seltos Safety Report

2021 Kia Seltos: Strong Crash Ratings Undermined by Widespread Engine Failures and Fire Risk

306Complaints
2Recalls
★★★★☆Safety Rating
30/100Reliability Score
10Crash Reports
5Fire Reports
6Injuries
Most reported components: Engine (113)Engine And Engine Cooling (34)Power Train (27)Unknown Or Other (17)Power Train,Engine (13)Electrical System (8)Electrical System,Engine (8)Engine,Fuel/Propulsion System (6)Unknown Or Other,Engine (6)Power Train,Engine,Fuel/Propulsion System (5)

AI Safety Analysis for the 2021 Kia Seltos

The 2021 Kia Seltos presents a mixed safety picture, with strong crash test performance but significant concerns regarding engine reliability and potential fire risks. NHTSA awarded the vehicle an overall 4-star safety rating, including 4 stars for frontal crash, 5 stars for side crash, and 4 stars for rollover. However, the vehicle has accumulated 306 total complaints, with a concerning 10 crashes, 5 fires, and 6 injuries reported. A dominant pattern in these complaints points to severe engine issues, including stalling, loss of power, and complete engine failure, often linked to defective piston oil rings. Two recalls specifically address these engine problems. Recall 25V099 (Kia Recall SC336) for 2021-2023 Seltos and Soul vehicles highlights incorrectly manufactured piston oil rings leading to engine damage, which can cause a stall or fire. A separate recall for 2020-2021 Soul and 2021 Seltos vehicles with 2.0L Nu MPI engines also points to improperly heat-treated piston oil rings, with consequences including engine stall and increased fire risk from oil leaks onto hot exhaust components. Many complaints directly reference these recalls, with owners reporting engine seizure, knocking, excessive oil consumption, and even engine fires despite recall remedies or denials of service. The high number of engine-related complaints (113 for ENGINE, 34 for ENGINE AND ENGINE COOLING, 13 for POWER TRAIN,ENGINE, etc.) strongly correlates with the recall details. Owners describe scenarios where the engine shuts off while driving, stalls at stoplights, or enters limp mode, creating hazardous situations. The reported fires and injuries underscore the severity of these mechanical failures. While the Seltos performs well in controlled crash tests, the pervasive engine issues introduce a significant real-world safety risk that potential buyers should be aware of.

Reliability Score

The 2021 Kia Seltos receives a reliability score of 30 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates below-average reliability. Significant issues have been reported by owners and should be carefully evaluated before purchase.

Known Issues for the 2021 Kia Seltos

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

IssueSeverityFrequencyTypical Mileage
Engine Failure/Stalling
Numerous reports of engines seizing, stalling while driving, or entering limp mode, often linked to defective piston oil rings and excessive oil consumption. This is the subject of two major recalls.
High Common 30000-90000 miles
Engine Fire
Several complaints describe engines catching fire, a consequence explicitly mentioned in recall notices due to oil leaks onto hot exhaust components.
High Occasional unknown miles
Excessive Oil Consumption
Owners report engines burning through oil rapidly, leading to low oil levels, knocking noises, and eventual engine damage or failure.
High Common 30000-90000 miles
Check Engine Light/Misfires
Frequent illumination of the check engine light, often accompanied by codes like P0304 (misfire) or P0017 (cam/crank correlation), indicating internal engine problems.
Medium Common 30000-90000 miles
Recall Remedy Ineffectiveness/Denial
Many owners report that recall repairs did not resolve the engine issues, or dealerships denied recall-related engine replacements, leading to continued problems or out-of-pocket expenses.
High Common 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 Seltos:

Engine 36% of complaints

113 complaints directly cite the ENGINE, indicating widespread issues such as stalling, knocking, and complete failure, often linked to piston oil ring defects.

Engine And Engine Cooling 11% of complaints

34 complaints relate to ENGINE AND ENGINE COOLING, further emphasizing mechanical engine problems, including overheating or related component failures.

Power Train 8% of complaints

27 complaints mention POWER TRAIN issues, which can encompass transmission problems or engine power delivery, sometimes intertwined with engine failures.

Power Train,Engine 4% of complaints

13 complaints specifically combine POWER TRAIN and ENGINE, highlighting issues where engine problems directly impact the vehicle's ability to transmit power.

Electrical System 2% of complaints

8 complaints for ELECTRICAL SYSTEM, which could be related to sensor failures, battery issues, or other electrical faults that might impact engine operation or warning lights.

Frequently Asked Questions About the 2021 Kia Seltos

Is the 2021 Kia Seltos safe?

Based on NHTSA data, the 2021 Kia Seltos has strong crash test ratings (4-star overall, 5-star side), but its safety is significantly compromised by widespread and severe engine issues, including stalling, loss of power, and fire risks, as evidenced by 306 complaints, 10 crashes, 5 fires, and 6 injuries, many directly related to two engine recalls.

What are common problems with the 2021 Kia Seltos?

The most reported issues for the 2021 Kia Seltos revolve around the engine, with 113 complaints for 'ENGINE' and 34 for 'ENGINE AND ENGINE COOLING'. Common problems include engine stalling, complete engine failure, excessive oil consumption, knocking noises, and engine fires, often stemming from defective piston oil rings as detailed in NHTSA recalls 25V099 and a separate recall for 2.0L Nu MPI engines.

Are there any recalls for the 2021 Kia Seltos?

Yes, there are two significant recalls for the 2021 Kia Seltos. One (NHTSA Campaign Number: 25V099000 / Kia Recall SC336) addresses incorrectly manufactured piston oil rings in 2021-2023 Seltos and Soul vehicles, which can lead to engine damage, stall, or fire. Another recall covers 2020-2021 Soul and 2021 Seltos vehicles with 2.0L Nu MPI engines for improperly heat-treated piston oil rings, also risking engine stall and fire.

How does the 2021 Kia Seltos perform in crash tests?

The 2021 Kia Seltos received favorable crash test ratings from NHTSA, achieving an overall 4-star safety rating. Specifically, it earned 4 stars for frontal crash protection, an excellent 5 stars for side crash protection, and 4 stars for rollover resistance.

What should I do if my 2021 Kia Seltos engine is having problems?

If your 2021 Kia Seltos is experiencing engine problems like stalling, knocking, or excessive oil consumption, immediately contact a Kia dealership. Reference NHTSA Recall 25V099 (Kia Recall SC336) and the recall for 2.0L Nu MPI engines, as your vehicle may be covered. Document all symptoms, service attempts, and communications with the dealership, and if issues persist or are denied, consider filing a complaint with NHTSA.

Buyer Advice

Our recommendation: Given the high incidence of severe engine failures, including fire risks, despite strong crash test ratings, exercise extreme caution when considering a 2021 Kia Seltos. Thoroughly investigate if the engine recall remedies have been effectively applied and if the vehicle shows any signs of oil consumption or engine noise before purchase.

NHTSA Data Summary for 2021 Kia Seltos

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Kia Seltos. The data includes 306 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, 10 reported crashes, 5 fire incidents, 6 reported injuries, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2021 Kia Seltos 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.