2018 Kia RIO Engine cooling Problems
- Complaints
- 1about this part
- Share
- 4%of 28 total for the year
- Median mileage
- 110,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2018 Kia RIO, 4% of the 28 complaints for this model year. Where a mileage was given, the median is 110,000 miles. 1 a fire, according to the filers.
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.
“The contact owned a 2018 Kia Rio. The contact stated that while driving on the highway at 85 MPH, the engine emitted abnormal noise with no warning lights illuminated. The contact proceeded to exit the highway and enter a gas station parking lot, and upon exiting the vehicle, it was apparent that the engine had begun to catch on fire. The location of the fire was the front engine compartment. The fire was extinguished by bystanders using fire extinguishers. A fire department report was not filed. A police report was filed. The vehicle was destroyed. No injuries were reported. …”
NHTSA complaint #11652874, filed 2025-04, 110,000 milesRelated service bulletins
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- 10180652Sep 24, 2020PITSTOP: Potential Low Oil Pressure Due to Dowel Pin Not Fully Seated (PS671) - This Pitstop provides information regarding a potential low oil pressure warning light 'ON' on…
- 10177751Jul 27, 2020TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin provides information on setting the "Service Interval Reminder" feature available on most Kia vehicles…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 4% |
| 2016 | 3 | 4% |
| 2015 | 4 | 8% |
| 2013 | 3 | 2% |
| 2012 | 1 | 2% |
| 2009 | 1 | 3% |
| 2008 | 2 | 4% |
| 2007 | 2 | 4% |
| 2006 | 6 | 8% |
| 2005 | 12 | 32% |
| 2004 | 12 | 32% |
| 2003 | 19 | 26% |
| 2002 | 39 | 30% |
| 2001 | 52 | 23% |
Other parts of the 2018 Kia RIO
15 complaintsAir bags
5 complaintsElectrical system
5 complaintsOther or unknown
5 complaintsExterior lighting
2 complaintsFuel system
2 complaintsLatches, locks and linkages
2 complaintsBrakes
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2018 Kia RIO
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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