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Other or unknownPart report

2018 Kia Cadenza Other or unknown Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
5,625miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the other or unknown of the 2018 Kia Cadenza, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 5,625 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“We became more concerned after seeing a report about fires involving kias this morning. Our new 2018 Kia Cadenza had about 1,750 miles on the odometer on october 11, 2018, when the following occurred: we were on a city street, stopped at a stop light, when we saw some small, light strands of smoke that seemed to be rising just outside the right, front fender. We pulled into a nearby parking lot & checked under the hood. There was a smell. It seemed like something hot or scorched (rubber or oil related??), but no smoke or leaks were noticeable. …”

NHTSA complaint #11140136, filed 2018-10, 1,750 miles

“I purchased a new 2018 Kia Cadenza with 11 miles on it. I have had the car less than a year and it randomly stalls while in drive mode in motion and sometimes while sitting idle. It has stalled on the freeway, neighborhood streets, drive-way and on feeder roads. The car has been in and out of the dealership at least 5 times. Kia motors cannot figure out what's wrong with the vehicle. They placed a tracker in the vehicle and determined the crank sensor was malfunctioning. They replaced the crank sensor, I picked the vehicle up and less than 24 hours later the car stalled again. …”

NHTSA complaint #11208151, filed 2019-05, 9,500 miles

Other or unknown: other model years

YearComplaintsShare of year
2019120%
2018229%
2017618%
2016214%
2015919%
20141413%

Other parts of the 2018 Kia Cadenza

Engine
5 complaints
Air bags
1 complaints

← All problems reported for the 2018 Kia Cadenza

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology