2021 Kia Seltos Problems

Severe Issues

Real NHTSA owner complaints for the 2021 Kia Seltos.

< older2022
Complaints
443
per 10K Sold
86.2
US Sales
51,368
Crashes
18
Fires
8
Injuries
10
Fatalities
Recalls
2

Worst 2021 Kia Seltos Problems

Top 3 most-reported issues with average mileage at failure.

#1185 complaints

Engine Problems

Avg mileage:37,222 mi
Crash-related:2
Fires:3
#257 complaints

Transmission / Drivetrain

Avg mileage:17,312 mi
#339 complaints

Electrical Faults

Avg mileage:4,133 mi
Crash-related:1
Fires:1
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All Problems by Category

Every NHTSA complaint category for the 2021 Kia Seltos.

Engine Problems
185
complaints
Crashes
2
Fires
3
Avg Miles
37,222
Transmission / Drivetrain
57
complaints
Crashes
Fires
Avg Miles
17,312
Electrical Faults
39
complaints
Crashes
1
Fires
1
Avg Miles
4,133
Engine & Cooling
36
complaints
Crashes
Fires
2
Avg Miles
60,504
Fuel System
21
complaints
Crashes
Fires
Avg Miles
9,000
Unintended Acceleration
9
complaints
Crashes
1
Fires
Avg Miles
22,567
Brakes
6
complaints
Crashes
Fires
Avg Miles
Airbags
5
complaints
Crashes
5
Fires
Avg Miles
Seat Belt Issues
5
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Warnings
4
complaints
Crashes
2
Fires
Avg Miles
Steering Defects
4
complaints
Crashes
Fires
Avg Miles
Wipers & Visibility
4
complaints
Crashes
Fires
Avg Miles
Electronic Stability Control
3
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Automatic Emergency Braking
3
complaints
Crashes
2
Fires
Avg Miles
Suspension Failures
3
complaints
Crashes
Fires
Avg Miles
Electrical System:Horn
2
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Adaptive Cruise Control
2
complaints
Crashes
Fires
Avg Miles
Lane Departure: Blind Spot Detection
2
complaints
Crashes
1
Fires
Avg Miles
Body Structure
2
complaints
Crashes
Fires
Avg Miles
Air Bags:Side/Window:Curtain:Inflator
1
complaints
Crashes
1
Fires
Avg Miles
Electrical System:Instrument Panel:Speedometer/Odometer
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Engine:Oil/Lubrication
1
complaints
Crashes
Fires
Avg Miles
Headlight/Taillight Failures
1
complaints
Crashes
Fires
Avg Miles
Firerelated
1
complaints
Crashes
Fires
1
Avg Miles
Gasoline Fuel System
1
complaints
Crashes
Fires
Avg Miles
Fuel System, Gasoline:Fuel Injection System
1
complaints
Crashes
Fires
Avg Miles
Lane Departure: Warning
1
complaints
Crashes
Fires
Avg Miles
Power Train:Automatic Transmission:Control Module:Software
1
complaints
Crashes
Fires
Avg Miles
Sunroof/Moonroof
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2021 Kia Seltos. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2021 Kia Seltos

2 NHTSA recall campaigns affecting ~284,505 vehicles.

25V099000Engine And Engine Cooling:engine:hard Parts Internal/mechanical
~137,256 affected

Kia America, Inc. (Kia) is recalling certain 2021-2023 Seltos and Soul vehicles. The piston oil rings may have been manufactured incorrectly, which can result in engine damage.

21V259000Engine
~147,249 affected

Kia Motors America (Kia) is recalling certain 2020-2021 Soul, and 2021 Seltos vehicles equipped with 2.0L Nu MPI engines. The piston oil rings may not have been properly heat-treated, which may result in engine damage.

Other Kia Seltos Years

2021 Kia Seltos — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2021 Kia Seltos reliable?
Verdict: Severe Issues. The 2021 Kia Seltos has 443 NHTSA complaints, 18 crash-related, and 2 recall campaigns. The most common issue is Engine Problems with 185 complaints. Source: NHTSA via VinItel.
What are common problems with the 2021 Kia Seltos?
Top reported problems: Engine Problems (185 complaints, avg 37,222 mi); Transmission / Drivetrain (57 complaints, avg 17,312 mi); Electrical Faults (39 complaints, avg 4,133 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2021 Kia Seltos?
The weighted average mileage at time of complaint is about 30,560 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2021 Kia Seltos?
NHTSA complaints for the 2021 Kia Seltos include 18 crash-related reports, 8 fire reports, 10 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2021 Kia Seltos have any recalls?
Yes — 2 NHTSA recall campaigns affecting an estimated 284,505 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2021 Kia Seltos?
Proceed with extreme caution. The 2021 Kia Seltos shows significantly more complaints than average for its class. If you're buying one, a pre-purchase inspection and a VIN history check are essential — skip them and you're gambling.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Kia Seltos reliability report with year-by-year comparison and generation analysis.

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