These help you judge whether this one is worth its price.
Costly problem zones ahead at your miles come with a Car Hunt Pass or Pro. See plans
Loading the EPA's yearly fuel cost
What about the price? Check the asking price on two listing sites. Buying from a dealer? Run its offer through the offer X ray.
Education, not financial or mechanical advice. Have any used car checked by a mechanic you trust before you buy.
The full record
Tap to open
What owners complain about
Loading owner complaints
Seller kit
Questions for the seller, test drive checks and price points
Car Hunt Pass or Pro
Walk up to the seller ready
Questions to ask the seller of a 2021 Kia Soul, built from this year's owner complaints and recalls. What to feel, hear and look at on the test drive, with boxes to tick at the car. Honest points to raise on price, from the records and never from guesses. Copy the questions to your phone in one tap.
Car Hunt Pass: $15 once for 30 days, a launch price. It never renews. Full refund if you ask within 7 days.
Write your offer
A ready to send offer for the seller, by text or email
Car Hunt Pass or Pro
Send the seller a fair offer
Type the asking price and your own offer for the 2021 Kia Soul, tick what you found, and get a polite message ready to text or email. Its reasons come from this year's owner complaints, recalls and crash ratings, and never from made up repair prices.
Car Hunt Pass: $15 once for 30 days, a launch price. It never renews. Full refund if you ask within 7 days.
When problems show up
Loading mileage at failure
Will it outlast the loan?
The month of your loan each problem zone lands in
Loading the problem zones
Recalls
Loading recalls
Crash ratings
NHTSA's stars out of five, for each version it tested. Front crash stars only compare cars of about the same size and weight.
Loading crash ratings
Fuel economy
The EPA's estimates for each engine and transmission, and its own yearly fuel cost. Yours depends on how you drive and the shape the car is in.
Loading fuel economy
True cost to own
The loan, fuel, insurance and upkeep, a month and over 5 years
Car Hunt Pass or Pro
What it really costs to own
What the 2021 Kia Soul costs a month and over 5 years: the loan and its interest, fuel worked out from the EPA's figures for the version you pick, and your own insurance, registration and upkeep. A cost a mile, a link that reopens your numbers, and the breakdown copied to your phone in one tap.
Car Hunt Pass: $15 once for 30 days, a launch price. It never renews. Full refund if you ask within 7 days.
Every year of the Soul
Owner complaints for each model year, this one outlined. Tap a year to open it. The newest 2 are not judged yet. Bars are totals, so older years stand taller; the verdict compares every year at the same age.
Loading every year of this model
Before you buy this one
Built from this year's numbers. Whatever the data says, the car in front of you is the one that counts.
Not every car needs every fix. Run the VIN at NHTSA to see which are still open. Repairs are usually free at a dealer for the brand; ask before any work.
Engine
Feb 18, 2025 · Recall 25V099000
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.
What can happen
Engine damage can cause a vehicle stall or fire, increasing the risk of a crash or injury.
The fix
Dealers will inspect and replace the engine as necessary, free of charge. Dealers will also install piston-ring noise sensing system (PNSS) software, free of charge. Owner notification letters were mailed April 4, 2025. Owners may contact Kia customer service at 800-333-4542. Kia's number for this recall is SC336.
Engine
Apr 13, 2021 · Recall 21V259000
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.
What can happen
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.
The 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.
Unverified reports, not adjusted for sales. One complaint can name several parts, so shares add up past 100%. Filed Oct 28, 2020 to Oct 28, 2026. 83% name a part that is usually costly to fix.
Owners reported 12 crashes, 3 fires and 5 injuries in these complaints.
Engine186 · 78%Usually costly to fix
Other or unknown27 · 11%
Transmission and drivetrain26 · 11%Usually costly to fix
What one owner wrote about the engine
We have been in dispute with Hart kia and kia corporate over a reoccurring issue directly related to the recall remedy sc336 oil piston rings manufacturer defect that is affecting my vehicle.
Filed Oct 28, 2026NHTSA complaint 117742611 of 18 owner quotes
Car Hunt Pass or Pro
11 more parts, and 18 owner quotes
Every part owners name for the 2021 Kia Soul, with their own words about what went wrong. Usually costly to fix among them: Body and frame.
Car Hunt Pass: $15 once for 30 days, a launch price. It never renews. Full refund if you ask within 7 days.
5 checks, with a close look at the engine
The bar holds the middle half of the complaints that gave a mileage; the dark mark is the middle one. 88 complaints of 240 gave one. Owners file when something fails, so this shows when problems were reported, not how long the cars last. These cars are young, so problems at higher miles have not had time to show.
EngineCostly30,000 to 90,000 mi
Half of these 77 complaints came between about 30,000 and 90,000 miles, the middle one around 65,000.
Run the VIN at NHTSA to confirm every recall was fixed.
This year has 2 recalls on file. Recall repairs are usually free at a dealer for the brand. Ask the dealer to confirm before any work is done. Look up a VIN at NHTSA.
Ask the seller for the service records.
Look closely for any work on the engine. It is the part owners complain about most for this year.
Have a mechanic you trust inspect it before you pay.
Ask them to look hard at the engine. It is usually costly to fix.
Look at a vehicle history report.
It can show reported crashes, flood or salvage titles, and mileage that does not add up.
On the test drive, pay attention to the engine.
Start it cold if you can. Listen for knocking or ticking, and watch for warning lights and smoke.
2021 Kia Soul: problems, recalls, verdict · WhipWorthy
Year verdict
Worthy
1.0× a typical year
About as many owner complaints as a typical year. Still get it inspected.
Confidence: Medium
Close to the Maybe line, so a few complaints either way could tip it.
NHTSA did not answer for 15 years, so this may change.
How the dial was counted
Year verdict: Typical year: 217 complaints, the median of 8 nearby years. Each counted over its first 6 years and 9 months from January 2020; this one had 234.
12 Worthy, 2 Maybe, 2 Pass, of 16 years on file
Our take: worth a look.Owners filed about as many complaints as in a typical year of this model.