Most common 2024 Kia Carnival problems
Share of the 75 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Kia Carnival complaints by model year
2024 Kia Carnival recalls (2)
Fuel system, gasoline › Delivery › Hoses, lines/piping, and fittings
Kia America, Inc. (Kia) is recalling certain 2022-2026 Carnival vehicles. Fuel may leak at the pipe connection between the fuel pipe and fuel rail.
Remedy: Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed June 2, 2026. Owners may contact Kia customer service at 1-800-333-4542.
Structure › Body › Roof and pillars
Kia America, Inc. (Kia) is recalling certain 2023-2024 Sportage and 2022-2024 Carnival vehicles. The roof molding may loosen and detach.
Remedy: Dealers will inspect the roof molding and replace or secure it as necessary, free of charge. Owner notification letters were mailed March 15, 2024. Owners may contact Kia customer service at 1-800-333-4542.
What 2024 Kia Carnival owners say
Electrical system
1 - Electrical systems, All Advanced Driver Assistance Systems, Blinker, Analog Speedometer, Digital Speedometer, RPM gauge, Climate Control Systems, were all showing as failed or malfunctioning while driving. Driver's unsure if other systems were affected. Driver distractibility was drastically increased and driver and passenger safety was at risk. Unknown component at fault, still in service at dealership. 2 - Very distracted driving, all dashboard lights blinking erratically and beeping noises constantly filling the cabin. Blinker would not work and other gauges were not functioning so driver could not tell speed of vehicle. Driver unsure if other systems affected such as airbags, lighting, braking systems, etc. Family did not want to drive the vehicle. 3 - Problem was not reproduced at dealership but vehicle produced 33 different fault codes. …
Sliding doors closed on my oldest son's fingers leaving severe indentation on his pointer, middle and ring fingers. My youngest son has his head dragged inbetween the door and the exterior of the vehicle. I was able to dislodge his head by the base of his neck. My dealership was unhelpful and went as far as to gaslight me into thinking any of this was my fault as a parent. I was shown where the sensor was (a thin strip of garbage) and was told that unless the sensor detects depth it will not stop. I was questioned why my child's head was on the ground of the car and was judged as a mother. I simply explained he's [redacted] and fell as the door was opening to which the door dragged him by his head. Thankfully my children were unharmed physically but emotionally are scarred. It's not a matter of IF something tragic happens to another family but WHEN. …
Engine & cooling
The contact owns a 2024 Kia Carnival. The contact stated that while driving 65 MPH, the vehicle jerked violently and experienced a loss of motive power, with reduced power. Several unknown warning lights illuminated. The vehicle was taken to a dealer; however, the vehicle was not diagnosed or repaired because the warning lights were no longer illuminated. The contact continued to drive the vehicle, and the failure recurred. The vehicle was towed to the dealer and was awaiting diagnostic testing. The manufacturer was notified of the failure. The failure mileage was 48,320.
The contact owns a 2024 Kia Carnival. The contact stated that while driving at various speeds, the vehicle failed to properly accelerate while depressing the accelerator pedal. The vehicle was shuddering and vibrating while attempting to accelerate with the check engine warning light illuminated. The vehicle was towed to the dealer on several occasions, but the cause of the failure was not determined. The manufacturer was notified of the failure. The failure mileage was 3,500.
Steering
Driver was approaching the end of [redacted] and attempted to turn left onto the ramp to [redacted] but without prior warning the brakes and the steering wheel failed and he couldn't turn or stop the car which resulted in the vehicle hitting the guardrail. The driver endured injuries on his hand, and overall emotional trauma. My insurance company refused to check the cars computer to prove that the car indeed failed.
The contact owns a 2024 Kia Carnival. The contact stated that oil and grease were leaking from the steering column onto the floorboard mats. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that there was an excessive grease leak. The vehicle was cleaned and repaired, but the failure recurred. The manufacturer was contacted and opened a case, but no assistance was provided. The failure mileage was approximately 7,000.
2024 Kia Carnival engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.5L 6-cyl | 8-speed automatic | FWD | 19 / 26 / 22 |
EPA ratings. Class: Minivan.
Frequently asked questions
Is the 2024 Kia Carnival a good car?
Based on 75 owner complaints filed with NHTSA, the 2024 Carnival rates average: about as many complaints as a typical year of the Carnival at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2024 Kia Carnival?
The electrical system — 17 complaints, 23% of all complaints for this model year. Next are the engine & cooling (9) and steering (7).
How many recalls does the 2024 Kia Carnival have?
There are 2 recalls for the 2024 Kia Carnival, the most recent from April 10, 2026 (hoses, lines/piping, and fittings). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Kia Carnival?
Years to avoid or approach with caution: 2025. See the full Kia Carnival years comparison.
At what mileage do 2024 Kia Carnival problems happen?
The median mileage reported in complaints is about 7,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.