Head-to-head reliability
KIA K5 vs Honda Accord
How the KIA K5 and Honda Accord compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.
Based on NHTSA owner-complaint & recall records
KIA K5 vs Honda Accord: The K5 has 497 complaints over 6 years (about 83 per year), while the Accord has 4,524 over 10 years (about 452 per year). The K5's top issues are fuel and electrical; the Accord's are engine and forward collision avoidance. Source: NHTSA owner complaints.
The picture
Is the KIA K5 or Honda Accord more reliable?
A plain-English read on what the NHTSA record says about living with each vehicle.
KIA K5
The KIA K5 is a midsize sedan that has been on the road for about six years. In that time, owners have filed 497 complaints with NHTSA, averaging about 83 per year. The most common trouble spots are the fuel/propulsion system, electrical system, and engine, with reports of fuel tank expansion, sudden stopping, and audio system malfunctions. While the overall complaint count is lower than some rivals, the nature of these issues—especially fuel and electrical—can be concerning for a first-time buyer.
Honda Accord
The Honda Accord is a long-standing midsize sedan with a 10-year complaint history. Over that decade, owners have filed 4,524 complaints, averaging about 452 per year. The most frequent complaints involve the engine, electrical system, and forward collision avoidance, with reports of power loss, steering and braking failures, and unintended automatic braking. The higher volume of complaints reflects both the Accord's popularity and a wide range of reported problems.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | KIA K5 | Honda Accord |
|---|---|---|
| Total complaintsAll model years combined | 497 Better | 4,524 |
| Safety recallsFederal recall campaigns | 20 Better | 38 |
| Crash reportsCrash-related complaints | 35 Better | 162 |
| Complaints per yearAveraged across model years | 82.8 Better | 452.4 |
| Reported injuriesTied to owner complaints | 53 Better | 146 |
| Reported deathsTied to owner complaints | 3 | 3 |
Source: NHTSA owner complaints & recall records.
What actually goes wrong
The problems owners report
The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.
KIA K5
- 01FUEL/PROPULSION SYSTEM119
- 02ELECTRICAL SYSTEM97
- 03UNKNOWN OR OTHER92
- 04ENGINE85
- 05POWER TRAIN59
Owners report the fuel tank expanding and spitting gas from the filler neck, sometimes with a pop sound and malfunctioning sensors. This can lead to fuel leaks and potential fire risk, and it may not trigger a warning light.
Complaints include the audio system intermittently blasting at extreme volume, making it impossible to hear or turn off. Such electrical glitches can be distracting and may indicate deeper wiring or software issues.
Some owners describe the car suddenly feeling as if the brakes were slammed, stopping in the middle of the road. This kind of unexpected engine or transmission behavior can be dangerous in traffic.
Reports of the rear seat lifting and sudden vehicle stoppage appear in this category. These vague but serious symptoms suggest structural or software problems that are hard to diagnose.
“On 10/20/25 as a rideshare driver one of my riders told me that the right side back seat was lifting. I could not believe what the rider was telling me until one of my family members told me the same thing. I immediately for safety reasons parked the car and…”
“The fuel tank expanded, the car was spitting out gas from where you are supposed to insert gas nozzle. my fuel tank expanded so bad from pressure my vehicle sensors malfunctioned my car did not tell me something was wrong, I heard a pop and my car was telling…”
Honda Accord
- 01ENGINE1,006
- 02ELECTRICAL SYSTEM895
- 03FORWARD COLLISION AVOIDANCE837
- 04UNKNOWN OR OTHER746
- 05FUEL/PROPULSION SYSTEM602
Owners report alarms for brake, hill descent, and ABS failures, followed by loss of speed. Others hear rattling noises while accelerating and rough transitions between EV and gas modes, indicating potential powertrain issues.
Complaints include simultaneous failure of electronic power steering and braking at highway speeds, as well as tire pressure monitoring system warnings that may not be resolved. These failures can severely compromise control.
Owners describe the system braking unexpectedly on open roads or with adaptive cruise control engaged, sometimes twice on the same route. Such false activations can startle drivers and increase crash risk.
Reports include persistent rotten-egg odors and a foot slipping behind a plastic side panel. These may seem minor but can point to exhaust leaks or interior design flaws.
“Vehicle drove normally in the morning commute. In the afternoon commute it started normally and as i approached highway speeds the alarms started showing up. the Brake, hill descent system, abs, critical failure. the vehicle started losing speed and could not…”
“Vehicle makes rattling noises while accelerating similar to a diesel engine also rough transitions between EV mode and Gas mode also when you press the charge button the engine makes a very noticeable jerk once it’s on ,Honda does not want to fix my issue and…”
Official recalls
Safety recalls on record
Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.
KIA K5 — 20 recalls
The defect: Kia America, Inc. (Kia) is recalling certain 2023-2025 K5 vehicles. The left and right rear window trim pieces may loosen and detach.
The risk: Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.
The fix: Dealers will inspect and replace the C-pillar trim assemblies, as necessary, free of charge. Owner notification letters were mailed November 19, 2025. Owners may contact Kia customer service at 800-333-4542. Kia's number for this recall is…
The defect: Kia America, Inc. (Kia) is recalling certain 2021-2024 K5 vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
The risk: A melted fuel tank can leak, increasing the risk of a fire.
The fix: Dealers will replace the check valve. The fuel tank will be inspected for damage and replaced as necessary. All repairs will be performed free of charge. Owner notification letters were mailed January 16, 2026. Owners may contact Kia custo…
The defect: Kia America, Inc. (Kia) is recalling certain 2025 K5 vehicles. A software error in the Power-net Domain Controller (PDC) may cause the parking lights to flicker. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) 108, "Lamps, Reflective Dev…
The risk: Parking lights that fail to illuminate properly can reduce visibility, increasing the risk of a crash.
The fix: The PDC software will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed June 24, 2025. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this re…
The defect: Kia America, Inc. (Kia) is recalling certain 2023-2025 K5 vehicles. The left and right rear window trim pieces may loosen and detach.
The risk: Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.
The fix: Dealers will inspect and replace the C-pillar trim assemblies, as necessary, free of charge. Owner notification letters were mailed November 19, 2025. Owners may contact Kia customer service at 800-333-4542. Kia's number for this recall is…
Honda Accord — 38 recalls
The defect: Honda (American Honda Motor Co.) is recalling certain 2023-2025 Honda Accord Hybrid vehicles. Due to a software error, the integrated control module (ICM) central processing unit (CPU) may reset while driving, causing a loss of drive power.
The risk: A loss of drive power increases the risk of a crash or injury.
The fix: Dealers will reprogram the ICM CPU software, free of charge. Owner notification letters were mailed January 6, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's number for this recall is TN2. Vehicle Identificati…
The defect: Honda (American Honda Motor Co.) is recalling certain 2023-2026 CR-V Hybrid, Accord Hybrid, and 2025-2026 CR-V Fuel Cell EV vehicles. When using the tire repair kit, pressure may build within the sealant bottle, causing the bottle cap to detach.
The risk: A detached bottle cap can become a projectile and strike the user or others nearby, increasing the risk of injury.
The fix: Dealers will replace the tire repair kit nozzle or sealant bottle, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipat…
The defect: Honda (American Honda Motor Co.) is recalling certain 2021 Accord Sedan, Accord Hybrid, CR-V, Ridgeline, 2022 Insight and CR-V Hybrid vehicles. The automatic locking retractor on the second-row center seat belt assembly may deactivate improperly, which can result in an unsecured child restraint sys…
The risk: An unsecured child restraint system can increase the risk of injury during a crash.
The fix: Dealers will replace the second-row center seat belt assembly, free of charge. Owner notification letters were mailed January 14, 2022. Owners may contact Honda customer service at 1-888-234-2138.
The defect: Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura R…
The risk: An air bag that deploys unintentionally during a crash can increase the risk of injury.
The fix: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls ar…
Buyer analysis
KIA K5 or Honda Accord: which should you buy?
The KIA K5 has far fewer complaints per year (about 83) compared to the Honda Accord (about 452). In practice, this means a K5 owner is less likely to experience a reported problem, but the K5's issues—like fuel tank expansion and sudden stopping—can be severe. The Accord's higher volume reflects its longer history and greater popularity, but it also has a wider array of reported failures.
Key differences
- The KIA K5 has 497 complaints over 6 years, while the Honda Accord has 4,524 over 10 years—far more per year.
- K5 owners frequently report fuel tank expansion and gas spitting, a pattern not seen in the Accord samples.
- Accord owners report forward collision avoidance braking unexpectedly, a system not highlighted in K5 complaints.
- Both have electrical complaints, but the K5's include audio system blasting, while the Accord's include power steering and braking failure.
- Check for any signs of fuel tank expansion or gas odor around the filler neck, and ask if the fuel system has been inspected or repaired.
- Test the audio system at various volumes and listen for sudden loud noises or inability to control the volume.
- During a test drive, pay attention to any unexpected braking or warnings from the forward collision avoidance system, especially at highway speeds.
- Listen for rattling noises during acceleration and feel for rough transitions between electric and gas modes if it's a hybrid.
Before you buy
- Obtain a full vehicle history report and check for open recalls on the NHTSA website using the VIN.
- Have a certified mechanic inspect the fuel system, electrical components, and engine for both models.
- For the K5, specifically ask about any fuel tank or fuel odor issues and check for related recalls.
- For the Accord, test the forward collision avoidance and electronic power steering during a test drive.
- Review the owner's manual for maintenance schedules and ensure all software updates have been applied.
Year by year
Which model years to avoid
Complaints per model year for both vehicles — lower is better. The spikes are the years to scrutinize.
| Year | KIA K5 | Honda Accord |
|---|---|---|
| 2026 | 13 | 10 |
| 2025 | 51 | 109 |
| 2024 | 30 | 219 |
| 2023 | 107 | 226 |
| 2022 | 129 | 252 |
| 2021 | 167 | 234 |
Check the actual car
Comparing models is smart. Checking the VIN is essential.
Brand averages tell you the trend. A VIN check tells you what's wrong with the specific KIA K5 or Honda Accord in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- KIA K5 vs Honda Accord
- KIA K5 total complaints
- 497
- Honda Accord total complaints
- 4,524
- KIA K5 total recalls
- 20
- Honda Accord total recalls
- 38
- KIA K5 avg complaints/year
- 82.8
- Honda Accord avg complaints/year
- 452.4
- More reliable overall
- KIA K5
- KIA K5 top complaint area
- FUEL/PROPULSION SYSTEM
- Honda Accord top complaint area
- ENGINE