Of the 137 engine complaints filed for the 2021 Kia Soul,
here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
1 (25%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
2 (50%)
100-125k
1 (25%)
125-150k
0 (0%)
150k+
0 (0%)
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted.
Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits
and driving conditions shift the curve as much as mileage alone.
What stands out
Engine accounts for 65% of every owner complaint on file for this vehicle — the dominant problem area across 8 categories tracked.
Owners have filed 137 engine complaints against 1 active recall — roughly 137 complaints per campaign.
Kia Motors America (Kia) is recalling certain 2020-2021 Soul, and 2021 Seltos vehicles equipped with 2
A damaged engine may stall, increasing the risk of a crash. In addition, oil may leak onto hot exhaust components, increasing the risk of a fire.
Fix: Kia will notify owners, and dealers will inspect and, if necessary, replace the engine, free of charge. In addition, Kia will deploy Piston Ring Noise Sensing System (PNSS) software. The recall began June 11, 2021. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC209.
What owners are reporting
7 most recent
engine · 75,000 mi
· filed 12/10/2025
The contact owns a 2021 Kia Soul. The contact stated that the vehicle was experiencing excessive oil consumption. The contact stated that while driving at various speeds, the vehicle stalled on several occasions. The driver was able to pull over to the side of the road as possible, and the vehicle was able to restart after an extended time. There was no warning light illuminated. The contact…
engine · 109,000 mi
· filed 12/07/2023
The contact owns a 2021 Kia Soul. The contact stated that while driving approximately 50 MPH, the vehicle lost motive power and stalled. The vehicle was later towed to the local dealer who diagnosed the vehicle and determined that the transmission and the engine had failed, and both needed to be replaced. The vehicle was not yet repaired. The contact was informed that the VIN was not included in…
engine
· filed 12/04/2025
My vehicle is part of an active engine recall related to defective piston oil rings. When I brought my car to the dealership for the recall inspection, I informed them and Kia Corporate that my car had been stalling and shutting off while driving for months. I have text message documentation of these incidents. This safety concern was ignored. The dealership performed only a basic visual…
engine · 2,500 mi
· filed 11/19/2020
When I was driving at 15mph the car completely shut off. So I tried to restart it and when I took the key out everything locked up and it was like that for 5 min in the middle of the road before the car came back on and flahed the engine and oil light.
engine · 92,000 mi
· filed 10/27/2025
The contact owns a 2021 Kia Soul. The vehicle was serviced under NHTSA Campaign Number: 21V259000 (ENGINE), but the failure occurred. The contact stated that DTC: P0004 was displayed. The vehicle was taken to the dealer, where an oil consumption test was scheduled to be performed. The contact was asked to provide the maintenance history on the vehicle. The contact was unable to provide the…
engine
· filed 10/26/2025
Description of Problem: My 2021 Kia Soul experienced complete engine failure consistent with the defect described in Recall 25V099 (SC336), which addresses faulty piston oil rings that can cause engine damage, stalling, and potential fire risk. Kia of Round Rock performed a compression test and found Cylinder 3 at 102 PSI, well below the normal minimum of 160 PSI. Despite this, the service…
engine
· filed 10/26/2025
Vehicle Information: Make/Model/Year: 2021 Kia Soul VIN: [XXX] Odometer: [96,000] Dealerships: Kia of Killeen, TX /Kia of Round Rock, TX & Component/System Failure: Engine failure due to defective piston oil rings, causing low compression and stalling. Components are available for inspection at both dealerships. Safety Risk: Sudden engine failure and stalling created a serious risk to my…
Had engine trouble with your 2021 Kia Soul?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2021 Kia Soul?
It's a documented issue but not catastrophic. 137 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 46 complaints that reported odometer mileage, most engine failures cluster between 40,000 and 95,000 miles, with the median around 75,000. A quarter of owners report trouble before 40,000; a quarter make it past 95,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
Yes — 1 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Kia/Soul.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.