2018 Kia RIO Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 4%of 28 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2018 Kia RIO, 4% of the 28 complaints for this model year. 1 of these say a crash was involved, 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.
“On 10/02/2021 - Was at a stop, put car in drive press the peddle car accelerated at high speed, miss another car and hit tree. Accident cause by acceleration issue with KIA Rio. Need advice on how to get KIA to replace total vehicle. Auto Insurance is just calling it a accident.”
NHTSA complaint #11436781, filed 2021-10Related service bulletins
- 11017172Apr 17, 2025TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…
- 11004930Jul 11, 2024TECHNICAL SERVICE BULLETIN: IVT OIL PRESSURE SENSOR REPLACEMENT: This bulletin provides information to replace the Intelligent Variable Transmission (IVT) Oil Pressure Sensor…
- 11000787May 16, 2024This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission…
- 10226555Nov 18, 2022TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity…
- 10174520Apr 24, 2020TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating…
- 10130104Feb 16, 2018TSB - DRIVESHAFT SERVICEABILITY - This bulletin has been revised most recently to include additional information. This bulletin provides information regarding axle shaft…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 2 | 17% |
| 2021 | 2 | 13% |
| 2020 | 5 | 19% |
| 2019 | 2 | 9% |
| 2018 | 1 | 4% |
| 2017 | 1 | 3% |
| 2016 | 5 | 6% |
| 2015 | 1 | 2% |
| 2014 | 6 | 12% |
| 2013 | 5 | 3% |
| 2010 | 1 | 4% |
| 2009 | 1 | 3% |
| 2008 | 2 | 4% |
| 2007 | 3 | 7% |
| 2006 | 2 | 3% |
| 2005 | 3 | 8% |
| 2004 | 4 | 11% |
| 2003 | 12 | 16% |
| 2002 | 8 | 6% |
| 2001 | 25 | 11% |
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 complaintsEngine cooling
1 complaintsSeats
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 2018 Kia RIO
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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