Built from official NHTSA complaint and recall data · data through 07/12/2026
High complaint levelIts most-reported problem — Engine — runs 5.7× the fleet median for that category across the 2583 model-years tracked on this site.
340Complaints
2Recalls
12Crashes
5Fires
8Injured
0Deaths
Source: U.S. NHTSA complaint & recall data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
Is this problem acknowledged?
The most-reported problem — Engine (60.3% of complaints) — is covered by 2 NHTSA recall campaigns.
Engine complaints here are 5.7× the median for that category across the 2583 model-years tracked on this site.
Complaint category
Reports
Official status
Reference
Engine
205 · 60.3%
Recalled
Recall 21V259000 · Recall 25V099000
Power Train
61 · 17.9%
not available
—
Electrical System
42 · 12.4%
not available
—
Engine And Engine Cooling
38 · 11.2%
Recalled
Recall 21V259000 · Recall 25V099000
Fuel/propulsion System
22 · 6.5%
not available
—
Vehicle Speed Control
9 · 2.6%
not available
—
Recalled = an NHTSA safety recall covers this category, so a free repair exists. Under investigation = NHTSA has an open probe but no recall yet. Investigation closed = NHTSA examined it and closed the probe — this is not a defect finding; where a closed probe led to a recall we name the campaign. Not available = recall or investigation data could not be confirmed for this vehicle — it is not a “no”. Categories are matched by NHTSA's top-level component. Check your VIN at nhtsa.gov/recalls.
Percentages are the share of the 340 complaints citing each component; one complaint can cite several components. “Unspecified / other” is NHTSA’s own catch-all category — we show it rather than hide it.
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. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
Engine And Engine Cooling:engine:hard Parts Internal/mechanical
Engine damage can cause a vehicle stall or fire, increasing the risk of a crash or injury. Recall repairs are free at authorized dealers.
PARK-IT: NO · PARK-OUTSIDE: NO · OVER-THE-AIR FIX: NO
Park itPark outside Specimen badges — shown on a recall card only when NHTSA sets the flag. None of the campaigns above carries either flag. Always check your own vehicle by VIN at nhtsa.gov/recalls.
What owners report
“Bought vehicle new. At 30,000 miles, oil change came up off the stick. KIA did oil consumption test. Said it was within industry standard. Just…”NHTSA complaint 11517186 — filed 04/15/2023 · ENGINE
“RECALL INFO: 21V-259 recall for inconsistent heat treating process for piston oil rings. The dates for use of the recalled piston rings Nov 20,1019 -Oct…”NHTSA complaint 11512000 — filed 03/15/2023 · ENGINE
“Our 2021 Kia Seltos with 19K miles, stopped running at 55 mph. The engine also started producing a slight knocking noise. The dealer asked for…”NHTSA complaint 11510509 — filed 03/06/2023 · ENGINE
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Complaint trend by year filed
Frequently asked questions
What are the most common problems with the 2021 Kia Seltos?
Engine issues are the most-reported category, cited in 205 of 340 NHTSA complaints (60.3%), followed by power train (61), unspecified/other issues (44), electrical system (42). Complaints are unverified owner reports.
How many complaints does the 2021 Kia Seltos have?
340 complaints were on file with NHTSA as of 07/12/2026. Of those, 12 involved a crash, 5 involved a fire, and 8 reported injuries. No deaths were reported.
Does the 2021 Kia Seltos have any recalls?
Yes — 2 NHTSA safety recall campaigns, including campaign 21V259000. Recall repairs are free at authorized dealers. Check your specific vehicle by VIN at nhtsa.gov/recalls.
Has NHTSA acted on the 2021 Kia Seltos's reported problems?
Recall or investigation data is partly unavailable for this vehicle right now — check your VIN at nhtsa.gov/recalls for the authoritative answer.
Is a complaint proof of a defect?
No. Complaints are reports submitted by consumers to NHTSA. NHTSA does not verify individual complaints, and a complaint is not proof that a defect exists.
About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.
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