2018 Kia Niro Vehicle speed control Problems
- Complaints
- 4about this part
- Share
- 7%of 60 total for the year
- Median mileage
- 60,005miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the vehicle speed control of the 2018 Kia Niro, 7% of the 60 complaints for this model year. Where a mileage was given, the median is 60,005 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.
“I was driving on the freeway. After slowed down and stopped completely, suddenly it lose power to run. Trying to step deeper the gas pedal, but no reaction at all. After turn off and turn on engine few times, it can run again, but this time, the real problem occur. The engine sounds so loud..it's hybrid car supposed to so quiet (that's what sounds usually). Later on, I found out how to still can drove it, but with high risk suddenly lose power on the street. Later found out, when the car in motion, the hybrid system didn't worked completely, and the transmission sound very rough. …”
NHTSA complaint #11222226, filed 2019-06, 10 miles“The car can slow down suddenly in the middle of traffic even if I accelerate. The engine has a problem according to the mechanics who was trying to fix my car twice without succes. The car does not hold coolant liquid for more than 15 minutes. It looks like the coolant is staying somewhere in the engine. It overheats too. Yes the car is available for inspection upon request. It's a high risk because the car can suddenly slow down in the middle of traffic or when leaving a light turned green. And the last time I drove it there a weird smell. …”
NHTSA complaint #11517087, filed 2023-04“The contact owns a 2018 Kia Niro. The contact stated while driving at an undisclosed speed, the engine revved up. The contact stated that the accelerator pedal was depressed; however, the vehicle was slow to respond. Eventually, the vehicle shifted into gear and started to move. The contact stated that the check HEV and turn off engine error messages were displayed. The vehicle was taken to the local dealer, where it was diagnosed that a faulty engine clutch activator needed to be replaced. The mechanic informed the contact that the vehicle was not covered under a recall. …”
NHTSA complaint #11548358, filed 2023-10, 120,000 milesRelated service bulletins
- 10205425Dec 2, 2021TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 & C160649 - This bulletin has been revised to include additional information. New/revised sections of…
- 10200550Aug 24, 2021TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 & C160649 - This bulletin has been revised to include additional information. New/revised sections of…
Vehicle speed control: other model years
Other parts of the 2018 Kia Niro
19 complaintsElectrical system
18 complaintsEngine
17 complaintsOther or unknown
11 complaintsBrakes
6 complaintsBody and structure
3 complaintsExterior lighting
2 complaintsFuel system
2 complaintsAir bags
1 complaintsEngine cooling
1 complaintsSeats
1 complaints
← All problems reported for the 2018 Kia Niro
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