2021 Kia Forte: Problems & Reliability
SOLID2021 Kia Forte: SOLID — 69 owner complaints (0.61 per 1,000 sold), a typical complaint rate for ~5 years on the road; top issue: engine (22 complaints).
CarWhere's verdict score for the 2021 is 1.03, where 1.00 is a typical Forte year once complaints are weighted for severity and spread over time on the road, between the best line (0.75) and caution (1.25). Severity drives it: 69% of those complaints report a crash, fire or injury or involve a safety-critical system (engine, powertrain, steering, brakes or fuel).
Sources: NHTSA owner complaints (ODI), recall campaigns and manufacturer service bulletins, published U.S. sales, CarWhere verified buyer prices · Model years 2013–2024 compared · Updated 2026-11-07 · By CarWhere Research · Methodology
69
NHTSA complaints
0.61
Complaints per 1,000 sold
70
Service bulletins
2
Recall campaigns
Most-reported 2021 Kia Forte problems
Engine is the clear leader, named in 32% of complaints.
| Component | Complaints | Share of 2021 complaints |
|---|---|---|
| Engine | 22 | 32% |
| Unknown or other | 18 | 26% |
| Steering | 9 | 13% |
| Electrical system | 8 | 12% |
| Air bags | 7 | 10% |
A complaint can name more than one component, so shares can add up to more than 100%.
2021 Kia Forte recalls
2 recall campaigns on federal record for the 2021, reported between Mar 11, 2021 and May 5, 2022.
2021 Kia Forte service bulletins
The manufacturer has filed 70 technical service bulletins with NHTSA for the 2021 — fewer than the 99 of the median Forte year from 2013 to 2024. Coded bulletins most often cover electrical system (35), engine & cooling (10), structure (8). Bulletins are repair instructions for dealer technicians, not recalls.
The 2021 vs. the year before and after
From the 2020 to the 2021, owner complaints fell 12% (78 → 69) — an improvement. The 2022 that followed fell by more than half (69 → 28), so the 2022 has the lighter record so far.
| Model year | Verdict | Complaints | Bulletins | Recalls | Avg. buyer-paid |
|---|---|---|---|---|---|
| 2020 Forte | BEST | 78 | 98 | 0 | — |
| 2021 (this page) | SOLID | 69 | 70 | 2 | — |
| 2022 Forte | BEST | 28 | 38 | 1 | — |
Prices are averages of CarWhere verified buyer transactions (shown when 3+ deals exist for the year). Full year-by-year table: Kia Forte years to avoid.
What to check on a used 2021 Kia Forte
Engine (22 complaints on the 2021): cold-start it yourself and listen for ticking or knocking; check for oil leaks, low coolant and a lit check-engine light, and ask for oil-change records.
Steering (9 complaints on the 2021): check for a steering warning light, heavy or notchy steering at parking speed, and clunks over bumps.
Electrical system (8 complaints on the 2021): test every light, window, lock, the infotainment screen and the charging system, and have the car scanned for stored fault codes.
Air bags (7 complaints on the 2021): confirm the air bag warning light goes out after start-up and that every air bag recall was completed on this VIN.
Powertrain / transmission (7 complaints on the 2021): test-drive from cold through every gear and feel for slipping, harsh or delayed shifts and shudder; ask whether the transmission fluid has been serviced.
Recalls: confirm all 2 campaigns above were completed on this VIN.
Know what to pay for the right 2021 Kia Forte — then negotiate it
Years-to-avoid tells you which year. Search live listings to see the target price and what verified buyers actually paid for it.
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FAQ
Is the 2021 Kia Forte reliable?
2021 Kia Forte: SOLID — 69 owner complaints (0.61 per 1,000 sold), a typical complaint rate for ~5 years on the road; top issue: engine (22 complaints). CarWhere's verdict score for the 2021 is 1.03, where 1.00 is a typical Forte year once complaints are weighted for severity and spread over time on the road, between the best line (0.75) and caution (1.25).
What are the most common 2021 Kia Forte problems?
By NHTSA owner complaints, the most-reported areas on the 2021 Kia Forte are engine (22, 32%), unknown or other (18, 26%), steering (9, 13%). The manufacturer has 70 service bulletins on file for this model year.
How many recalls does the 2021 Kia Forte have?
2 recall campaigns on federal record for the 2021 Kia Forte, most recently 22V304000 (May 5, 2022, steering); 21V164000 (Mar 11, 2021, air bags). Recall completion is VIN-specific, so check the exact car.
How do I check a specific 2021 Kia Forte before buying?
Decode the VIN free at carwhere.com/tools/vin-decoder to confirm the build, then run the $9.99 CarWhere Full VIN Report for the exact VIN — recall, complaint, and service-bulletin record for this model year, the original window sticker where the manufacturer publishes one, and a market price check from verified buyers. One-time purchase, no subscription.
Sources & method
Complaint, recall and service-bulletin counts for the 2021 Kia Forte come from NHTSA's Office of Defects Investigation; the per-1,000 rate divides complaints by published U.S. 2021 calendar-year sales; the verdict is CarWhere’s severity-weighted, time-on-road-adjusted score compared with the model’s own median year. Complaints are owner allegations, not verified defects. Full methodology.