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2021 Kia Seltos Report

Known issues, recalls, running costs, and what to check before you buy.

Updated Jun 10, 2026·Daniel Wilson·3 Critical Recalls
2021 Kia Seltos Report

Overall Score

7.4/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • Critical engine failures due to defective piston oil rings are the primary concern for the 2021 Seltos, impacting its reliability.
  • Verify that recall campaigns (SC209, SC336) related to the engine have been completed by a dealer.
  • Despite the engine recall, the Seltos boasts strong NHTSA safety ratings, including a 5-star side crash rating.
  • Fuel economy is competitive for the class, with a combined EPA rating of 27 MPG.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 Kia Seltos

The 2021 Kia Seltos entered the competitive subcompact SUV segment with a focus on practicality and value. It offers a comfortable ride, decent fuel efficiency, and a well-equipped interior for its class. However, used car shoppers must be aware of a critical engine recall affecting a significant number of these vehicles. This recall, related to improperly heat-treated piston oil rings, can lead to engine failure. While Kia has issued remedies, the potential for long-term issues or incomplete repairs warrants careful inspection.

Critical Failure Risk

A critical defect in the piston oil rings of the 2.0L Nu MPI engine can lead to engine failure. This issue has resulted in multiple recalls.

Early detection can help you avoid a $3,000-$7,000 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls3
Service Bulletins0
Full Recall History →

Owner Complaints

0

No primary complaint themes found.

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency
Combined
27
MPG
City
25
MPG
Highway
30
MPG
Full Vehicle Specifications ↓

Reliability

8.1/ 10

Practicality

5.0/ 10
Buyer Fit

Who This Car Is For

Best for

Budget-conscious buyers seeking a practical subcompact SUV with good safety scores.

+2 more buyer-fit notes in the full report

Avoid if

Drivers who want a worry-free ownership experience with minimal potential for major mechanical issues.

+2 more buyer-fit warnings in the full report

2021 Kia Seltos Reliability Analysis

Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 Kia Seltos.

  • Recall TimelineOfficial safety notices
  • Owner ComplaintsReal driver reports
  • Failure AnalysisKnown part defects
Specs

Vehicle Specs

Fuel Type
Regular
Transmission
Automatic (AM-S7)
Drivetrain
All-Wheel Drive
Body Style
Suv
EPA Combined MPG
27

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Most Common Issues

1. Engine Failure due to Piston Oil Ring Defect

Most reported

Usage data observed

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection

Est. shop cost: $75 - $120

7,500 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist
Complete maintenance schedule (5 service intervals)
Repair forecasts with mileage and cost context
Full buyer-fit guidance and who should avoid it
Full specs and trim-level context
3 recall campaign details & remedy notes
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FAQ

FAQ

Is the 2021 Kia Seltos reliable?▾

The CarFocal Reliability Score for the 2021 Kia Seltos is 8.1/10. Reliability score is 8.1/10. NHTSA recalls: 3. Owner complaints: 0.

How practical is the 2021 Kia Seltos for daily use?▾

Practicality score is 5.0/10. EPA combined economy is 27 MPG.

What is the overall score for the 2021 Kia Seltos?▾

The CarFocal Overall Score for the 2021 Kia Seltos is 7.4/10. Overall score is 7.4/10 (Good). Confidence 85%. Maintenance 8.5/10. Practicality 5.0/10.

What does it cost to own and maintain a 2021 Kia Seltos?▾

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection at 7,500 miles. Estimated first-year maintenance: $400 - $600. Repair prediction highlight: Engine (Piston Oil Ring Defect) (typical at 30,000 miles, estimated cost Min: $3,000 • Max: $7,000+).

What engine is in the 2021 Kia Seltos?▾

Engine specs list 4 • 1.6.

What transmission does the 2021 Kia Seltos use?▾

According to CarFocal's specs for the 2021 Kia Seltos, transmission is Automatic (AM-S7). The paired drivetrain is All-Wheel Drive.

What is the combined EPA MPG for the 2021 Kia Seltos?▾

EPA combined estimate is 27 MPG.

What driver assistance and safety features are available on the 2021 Kia Seltos?▾

1 standard driver assistance features. Key features include Tire Pressure Monitoring System.

What body style is the 2021 Kia Seltos?▾

According to CarFocal's specs for the 2021 Kia Seltos, body style is suv.

What drivetrain does the 2021 Kia Seltos use?▾

According to CarFocal's specs for the 2021 Kia Seltos, drivetrain is All-Wheel Drive. Transmission is Automatic (AM-S7).

What are the NHTSA safety ratings for the 2021 Kia Seltos?▾

NHTSA ratings: Overall 4/5 • Frontal 4/5 • Side 5/5 • Rollover 4/5.

Are there open safety recalls on the 2021 Kia Seltos?▾

This model year has 3 official safety campaigns listed.

Start Here

Maintenance guide

Costs + intervals

Recall report

Campaigns + remedy notes

Owner complaints

Issue volume + categories

In this guide

  1. 01Overview
  2. 02Who This Car Is For
  3. 03Reliability & Problems
  4. 04Vehicle Specs
  5. 05Unlock Full Report
  6. 06FAQ

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