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2021 Kia Soul Report

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

Updated Jun 10, 2026·Ryan Davis·3 Critical Recalls
2021 Kia Soul Report

Overall Score

7.3/ 10
Our Verdict
Proceed with caution

Key Takeaways

  • The 2021 Kia Soul is subject to multiple recalls concerning a critical engine defect involving improperly heat-treated piston oil rings.
  • Verify that all engine recalls have been completed by a qualified technician.
  • Despite zero reported complaints, the engine defect poses a significant potential risk that demands pre-purchase inspection.
  • The Soul achieves a commendable 27 MPG combined, contributing to reasonable running costs.
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OverviewWho This Car Is ForReliability & ProblemsVehicle SpecsUnlock Full ReportFAQ
Overview

2021 Kia Soul

The 2021 Kia Soul offers a practical and fuel-efficient package, boasting a distinctive style and a comfortable interior for its class. Its city-friendly dimensions and decent highway manners make it a versatile compact car. However, potential buyers must be aware of significant engine-related recalls that indicate a systemic manufacturing flaw. While NHTSA data shows zero consumer complaints, the recall history suggests a critical issue that requires thorough inspection.

Critical Failure Risk

A critical manufacturing defect involving improperly heat-treated piston oil rings can lead to severe internal engine damage. This issue is highlighted by multiple recalls and can result in engine stall or catastrophic failure.

Early detection can help you avoid a $3,000-$6,000 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
31
MPG
Full Vehicle Specifications ↓

Reliability

8.1/ 10

Practicality

4.9/ 10

The score is dragged down by its weaker day-to-day practicality signals.

Buyer Fit

Who This Car Is For

Best for

Budget-conscious buyers prioritizing fuel efficiency and distinctive styling.

+2 more buyer-fit notes in the full report

Avoid if

Buyers seeking a completely worry-free ownership experience.

+2 more buyer-fit warnings in the full report

2021 Kia Soul Reliability Analysis

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

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

Vehicle Specs

Fuel Type
Regular
Seating Capacity
5
Transmission
Automatic
Drivetrain
FWD/Front-Wheel Drive
Body Style
Suv
EPA Combined MPG
27

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Unlock the complete checklist, maintenance outlook, and buyer verdict in one place.

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 - Inspect Brakes

Est. shop cost: $100 - $150

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 Soul reliable?▾

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

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

Practicality score is 4.9/10. The score is dragged down by its weaker day-to-day practicality signals. EPA combined economy is 27 MPG. Seating capacity is 5.

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

The CarFocal Overall Score for the 2021 Kia Soul is 7.3/10. Overall score is 7.3/10 (Good). Confidence 85%. Maintenance 7.8/10. Practicality 4.9/10.

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

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brakes at 7,500 miles. Estimated first-year maintenance: $700 - $1,200. Repair prediction highlight: Engine (Piston Oil Rings) (typical at 50,000 miles, estimated cost Min: $3,000 • Max: $6,000+).

What is the MSRP range for the 2021 Kia Soul?▾

Base MSRP is $27,650.

What engine is in the 2021 Kia Soul?▾

Engine specs list 4 • 2.0.

What transmission does the 2021 Kia Soul use?▾

According to CarFocal's specs for the 2021 Kia Soul, transmission is Automatic. The paired drivetrain is FWD/Front-Wheel Drive.

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

EPA combined estimate is 27 MPG.

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

13 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.

How many people fit in a 2021 Kia Soul?▾

According to CarFocal's specs for the 2021 Kia Soul, seating capacity is 5.

What body style is the 2021 Kia Soul?▾

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

What drivetrain does the 2021 Kia Soul use?▾

According to CarFocal's specs for the 2021 Kia Soul, drivetrain is FWD/Front-Wheel Drive. Transmission is Automatic.

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

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

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

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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