Home · 2023 Kia K5 · Complaints

What 96 owners told NHTSA about the 2023 Kia K5

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (96)Crash / fire / injury (11)Fuel system (45)Body & structure (14)Engine (11)Transmission & drivetrain (11)Brakes (5)Driver assistance (5)Airbags (4)Electrical system (4)Seats (4)Lane Departure (2)

5 of 96 complaints match · Driver assistance · clear filters

Jan 30, 2026BrakesDriver assistanceCrash1 injury

The contact owns a 2023 Kia K5. The contact stated that while driving at approximately 5 MPH and approaching a stop sign exiting a parking lot, as the contact depressed the brake pedal to stop for a commercial truck stopped at the exit, the "collision warning" illuminated. The contact stated that the brake pedal went soft and depressed to the floorboard. The contact stated that he crashed into the rear of the truck. The contact stated that there was a slight dent in the metal frame of the truck. The contact stated that his vehicle's front grill and both headlight housings were crushed. The contact stated that the hood was crumpled back towards the windshield, and the radiator was punctured and crushed. The contact stated that the police were called and filed a report. The vehicle was towed to an impound lot. The contact had called his insurance provider. The contact stated that he was later driven to the ER by a friend due to neck pain and headaches. The contact stated that he was diagnosed with neck strain and no other injuries. The vehicle had not yet been diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 27,000.

NHTSA ODI 11714430

Aug 13, 2025Lane DepartureDriver assistance

After getting my rearview mirror, repaired by the Kia dealership when I break when I came to a stop, my car started flashing forward, collision warnings, and Blindspot assist warnings and activated the emergency parking break ticket to the Kia dealership they saw the safety issues in in diagnostics and a history of it They said they won't replace anything unless it happens in the dealership's care gave the car back to me and less than five minutes after leaving the same issue occurred. They've currently had my car two weeks and have no update on what's going on was almost in an accident because of this issue after getting it back from the dealership. I also have a recording of the dealership stash. They won't do anything about it unless it happens in their care. With them, knowing it's a safety issue.

NHTSA ODI 11680366

Jul 24, 2025EngineDriver assistance

The contact owns a 2023 Kia K5. The contact stated that upon purchasing the vehicle new and driving off the dealer lot, the message "Radar Sensor Blocked" was displayed. The dealer was informed but no assistance was provided. The vehicle was driven to the residence. The contact stated that another message indicating that a sensor was blocked was displayed, and the check engine warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed and determined that the engine had imploded. The vehicle was not repaired. The manufacturer was notified of the failure and a case was filed. The manufacturer offered buyback assistance; however, the dealer had not returned the owner’s or the manufacturer’s calls. The failure mileage was approximately 74.

NHTSA ODI 11675825

May 16, 2025Driver assistanceLane Departure

All of my check lights are on. All of my sensors are popping up. It says no power steering. No cruise control. No lane departure and a few other lights are popping on every time I turn my car on and they all stay on. So far it isn’t preventing me from driving it but none of my safety features work

NHTSA ODI 11661450

Apr 10, 2023Driver assistanceCrash

Went through automatic car wash, in neutral. The gear shifted and the car sped up, bumping the back of another car in front. No warning sound, and no auto break.

NHTSA ODI 11516253

Working with the data? Download all 96 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2023 Kia K5 verdict →