Vehicle Data Hub

2021 Kia Seltos problems

Owners have filed 530 complaints with NHTSA about the 2021 Kia Seltos. Engine is the most reported problem area, at 52% of complaints. After that come drivetrain & axles (13%) and electrical system (9%).

At a glance

Complaints
530 filed with NHTSA
Most reported
Engine 52% of complaints
Crashes and fires
23 and 10
Injuries and deaths
12 and 0
Typical mileage
36,000 miles 110 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

When problems show up

Complaints by mileage, 2021 Kia Seltos Complaints by odometer reading in 20,000-mile steps. The median is about 36,000 miles. 0k to 20k miles: 47 complaints 20k to 40k miles: 9 complaints 40k to 60k miles: 18 complaints 60k to 80k miles: 17 complaints 80k to 100k miles: 7 complaints 100k to 120k miles: 7 complaints 120k to 140k miles: 2 complaints 140k to 160k miles: 3 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 36,000 miles
Based on 110 complaints that include mileage. 67% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles47
20k to 40k miles9
40k to 60k miles18
60k to 80k miles17
80k to 100k miles7
100k to 120k miles7
120k to 140k miles2
140k to 160k miles3
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Among the 110 complaints that report mileage, the typical (median) problem appeared at about 36,000 miles. For engine specifically, the median reported mileage is about 55,000 miles (66 complaints with mileage).

Safety-related details: 23 complaints mention a crash; 10 complaints mention a fire; 12 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2021 ranks 1st most-complained-about out of 4 model years of the Kia Seltos with enough data (530 complaints in that window). It is also covered by 2 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

I was traveling at approximately 50mph straight through an intersection. The opposing car made a left turn directly in front of me and I T-boned the other vehicle (gray Kia Optima). There was sufficient front end damage that my car was totaled. The airbags on my vehicle failed to deploy.

October 2025 CrashInjury

The car initially had electrical and engine issues since may of 2022. The engine would fail mid drive and the car would turn of in the middle of driving and would lock up until engine would restart on its own. It stayed at the dealership for repairs until march of 2023. After many modifications and alterations and several new engines and transmission changes they returned the car to me on march of 2023 assuring me it was fixed and there would be no issues.

April 2023 CrashInjury

The contact owns a 2021 Kia Seltos. The contact stated that while driving at various speeds, the vehicle was driving very rough and stalled. The vehicle was taken to the local dealer who diagnosed that there was no oil was present in the engine. The contact was informed that the engine needed to be replaced. The engine was replaced, and the failure was remedied. The contact later received a recall notification for the failure that had occurred. The manufacturer was notified of the failure.

Reported at 24,000 miles, March 2021

The contact owns a 2021 Kia Seltos. The contact stated that while her daughter was driving 65-70 MPH on the highway, the engine was revving but the vehicle failed to respond as needed before shutting down. There were no warning lights illuminated. The vehicle was towed to the local dealer and was diagnosed with transmission failure. The vehicle was not repaired. The manufacturer was contacted, opened a case, but provided no additional assistance.

Reported at 77,000 miles, September 2024

Other model years of the Seltos

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