Head-to-head reliability
KIA Optima vs Chevrolet Silverado
How the KIA Optima and Chevrolet Silverado compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.
Based on NHTSA owner-complaint & recall records
KIA Optima vs Chevrolet Silverado: The Optima averages 607 complaints per year, mostly engine-related, while the Silverado averages 510 but has 100 recalls. Silverado owners report sudden transmission and brake failures, making it riskier. Source: NHTSA owner complaints.
The picture
Is the KIA Optima or Chevrolet Silverado more reliable?
A plain-English read on what the NHTSA record says about living with each vehicle.
KIA Optima
The KIA Optima is a midsize sedan that, over the past decade, has generated a high volume of owner complaints, averaging over 600 per year. The dominant issue is engine trouble, with many owners reporting sudden oil loss, loss of power, and check engine lights, even with regular maintenance. This pattern suggests that engine reliability is a significant concern for long-term ownership, potentially leading to costly repairs or breakdowns.
Chevrolet Silverado
The Chevrolet Silverado is a full-size pickup that, while having fewer complaints per year (about 510), has a much higher recall count (100) and a broader range of reported issues. Owners frequently report engine problems, including severe failures in new vehicles, as well as transmission and electrical system glitches that can affect braking and steering. The complaints indicate that even new Silverados can experience serious mechanical and safety-related issues, making thorough inspection crucial.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | KIA Optima | Chevrolet Silverado |
|---|---|---|
| Total complaintsAll model years combined | 6,070 | 5,105 Better |
| Safety recallsFederal recall campaigns | 41 Better | 100 |
| Crash reportsCrash-related complaints | 214 | 117 Better |
| Complaints per yearAveraged across model years | 607.0 | 510.5 Better |
| Reported injuriesTied to owner complaints | 191 | 104 Better |
| Reported deathsTied to owner complaints | 9 | 1 Better |
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 Optima
- 01ENGINE3,069
- 02UNKNOWN OR OTHER787
- 03ELECTRICAL SYSTEM720
- 04STEERING719
- 05SERVICE BRAKES453
Owners report sudden oil loss without visible leaks, leading to engine damage and breakdowns. Others experience loss of power and difficulty accelerating, often accompanied by a check engine light, despite regular oil changes.
Electrical issues often accompany engine problems, such as excessive oil consumption triggering warning lights. Some owners report that software updates, intended to fix emissions, cause transmission hard-shifting, indicating a link between electrical and drivetrain systems.
While not as frequent as engine issues, steering complaints are notable. Owners may experience steering difficulty or failure, which can be dangerous, especially at speed.
“Out of town July 12th 2025 my 2020 Kia Optima engine started having problems. I tried to get to my hotel but it was obvious I was not going to make it. I pulled into the nearest station and was told my car had no oil. There were no signs of leaking oil and no…”
“I have kept up on regular oil changes and maintenance on my Kia which I bought new 5 years ago. My issues started when my car's orange check engine light came on, I experienced loss of power such as difficulty accelerating even at low speeds, especially up hi…”
Chevrolet Silverado
- 01ENGINE1,698
- 02POWER TRAIN1,453
- 03ELECTRICAL SYSTEM982
- 04SERVICE BRAKES691
- 05UNKNOWN OR OTHER542
Serious engine failures are reported even on new trucks, such as a 2026 Silverado with a 6.2L motor losing power and requiring major repairs. Diesel models also face repeated diesel particulate filter clogging, requiring dealer service.
Transmission issues are common, including sudden shifting into neutral while driving, which can be hazardous. Owners report this happening at low speeds, such as in parking garages, and also at highway speeds.
Electrical problems can lead to sudden loss of braking and steering, as described in one complaint where the vehicle lost motive power and controls became inoperable. This indicates a critical safety risk.
“I purchased the 2026 Chevrolet Silverado with a 6.2L motor "new" from the dealer with 5700 miles on XXX. Roughly a month and 2500 miles later, my family and I were in the vehicle, 750 miles from home, returning from a vacation to [XXX] from the [XXX]/[XXX] ar…”
“My 2026 Chevrolet Silverado 3500 with the 6.6L Duramax diesel has experienced three separate P2463 Diesel Particulate Filter excessive soot accumulation events at approximately 4,300, 5,500, and 10,280 miles. Each event required a Chevrolet dealer to perform…”
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 Optima — 41 recalls
The defect: Kia Motors America (Kia) is recalling certain 2019 Optima vehicles equipped with Gamma 1.6L Turbo-GDI or Theta II 2.0L Turbo-GDI engines. A software error in the Forward Collision-Avoidance Assist (FCA) system may cause the braking assist function to not engage when a stationary vehicle is detected.
The risk: Improper intervention of the Forward Collision-Avoidance Assist can increase the risk of a crash.
The fix: Kia will notify owners, and dealers will update the FCA software, free of charge. The recall began August 27, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC179.
The defect: Kia Motors America (Kia) is recalling certain 2017-2018 Kia Optima hybrid vehicles. These vehicles are equipped with a Voltage Protection Device (VPD), designed to protect the high voltage battery module, that may activate inadvertently.
The risk: If the VPD activates while the vehicle is being operated in Electric Vehicle (EV) mode, there may be a loss of power, increasing the risk of a crash.
The fix: Kia will notify owners, and dealers will remove the VPD switch and install two newly designed Battery Management Systems (BMS) that contain Overvoltage Protection Devices (OPDs), free of charge. The recall is expected to begin May 2018. Ow…
The defect: Kia America, Inc. (Kia) is recalling certain 2016-2017 Rio, 2016-2018 Optima, 2017-2018 Optima Hybrid and Optima Plug-in Hybrid vehicles. The trunk latch base may crack, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Moto…
The risk: A person inside the trunk compartment may become trapped, increasing their risk of injury.
The fix: Dealers will replace the trunk latch base subassembly, free of charge. Owner notification letters were mailed October 19, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC278.
The defect: Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty, or the Knock Sensor Detection System (KSDS) Product Improvement Campaign. The high pressure fuel pi…
The risk: A fuel leak in the presence of an ignition source can increase the risk of a fire.
The fix: Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began January 17, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC172.
Chevrolet Silverado — 100 recalls
The defect: General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently…
The risk: An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.
The fix: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevr…
The defect: General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles. The steering gear shaft may fracture and disconnect from the steering arm.
The risk: A steering arm that disconnects may result in a total loss of steering control, increasing the risk of a crash.
The fix: Dealers will inspect and replace the steering gear, if necessary, free of charge. Owner notification letters were mailed September 22, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-4…
The defect: General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado HD 2500, 3500, and GMC Sierra HD 2500, 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertentl…
The risk: An unlatched tailgate may open and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.
The fix: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed December 17, 2024. Owners may contact…
The defect: General Motors, LLC (GM) is recalling certain 2023-2024 GMC Hummer EV pick up, 2024 GMC Hummer EV SUV, and 2024 Chevrolet Silverado EV vehicles. The left or right front seat belt buckle attachment bolts may not be tightened properly.
The risk: An improperly tightened seat belt buckle may not restrain an occupant as intended, increasing the risk of injury during a crash.
The fix: Dealers will tighten the left and right front seat belt buckle attachment bolts, free of charge. Owner notification letters were mailed December 21, 2023. Owners may contact GMC customer service at 1-833-EVCHEVY (1-833-382-4389) (TTY 711 /…
Buyer analysis
KIA Optima or Chevrolet Silverado: which should you buy?
The KIA Optima has a higher complaint rate per year (607 vs 510), but the Silverado has more recalls (100 vs 41) and more severe safety-related complaints. In practice, the Optima's issues are more concentrated on engine reliability, while the Silverado's problems are more varied and can affect critical systems like brakes and steering, making the Silverado potentially riskier to own.
Key differences
- The Optima has a higher average complaints per year (607) than the Silverado (510), but the Silverado has more than double the recalls (100 vs 41).
- Optima owners predominantly report engine oil loss and power loss, while Silverado owners report a wider range of issues including transmission failures and electrical problems affecting brakes and steering.
- The Silverado has a higher proportion of crash-related complaints (117 vs 214) and injuries (104 vs 191) relative to its complaint count, suggesting more severe incidents.
- The Optima's top issue is engine-related (3069 complaints), while the Silverado's top issues are engine (1698) and power train (1453), indicating a broader drivetrain concern.
- Check for any signs of engine oil consumption or leaks, as many owners report sudden oil loss without visible leaks. Ask for service records to verify regular oil changes.
- Be alert to any check engine light or loss of power during a test drive, as these are common precursors to engine failure.
- Inspect the transmission behavior, especially for any unexpected shifting into neutral or hard shifts, which have been reported even on low-mileage trucks.
- Test the brakes and steering thoroughly, as electrical issues have caused sudden loss of these critical functions in some Silverados.
Before you buy
- For the KIA Optima: have a mechanic perform a compression test and check for oil consumption issues, and review the vehicle's recall history for engine-related campaigns.
- For the Chevrolet Silverado: check for any open recalls, especially those related to steering, brakes, or tailgate latches, and have the transmission and electrical systems inspected by a qualified technician.
- Obtain a vehicle history report to see if the Optima has had any engine replacements or major repairs, and if the Silverado has had any transmission or brake work.
- During a test drive, monitor for warning lights, unusual noises, and any hesitation or loss of power, and test all electronic features.
- Consider having a pre-purchase inspection done by an independent mechanic who is familiar with these models.
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 Optima | Chevrolet Silverado |
|---|---|---|
| 2020 | 143 | 0 |
| 2019 | 205 | 1992 |
| 2018 | 231 | 591 |
| 2017 | 255 | 0 |
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 Optima or Chevrolet Silverado in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- KIA Optima vs Chevrolet Silverado
- KIA Optima total complaints
- 6,070
- Chevrolet Silverado total complaints
- 5,105
- KIA Optima total recalls
- 41
- Chevrolet Silverado total recalls
- 100
- KIA Optima avg complaints/year
- 607.0
- Chevrolet Silverado avg complaints/year
- 510.5
- More reliable overall
- Chevrolet Silverado
- KIA Optima top complaint area
- ENGINE
- Chevrolet Silverado top complaint area
- ENGINE