2021 Kia K5 Vehicle speed control Problems
- Complaints
- 2about this part
- Share
- 1%of 169 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the vehicle speed control of the 2021 Kia K5, 1% of the 169 complaints for this model year.
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.
“Ever since I bought my car in July of 2025 cash I’ve been having issues. Shortly after purchasing my car began to stall , lose power repeatedly. I then took to southwest kia in Dallas they told me I had contaminated gas. They charged me $2,000 to clean my fuel lines , replace spark plugs & replace a fuel pressure sensor. Shortly after i got my car I had the same issues. I explained my concerns and they replaced my fuel tank free of charge. …”
NHTSA complaint #11705470, filed 2025-12“While driving on 7/6/2022, upon acceleration, the vehicle began jerking and applying the brakes as if it was trying to attempt to avoid a rear end collision. Moments after that incident, the instrument cluster displayed warning lights of the following: check forward safety system, traction control, front end collision avoidance, electronic parking brake, and auto hold all in an orange color followed by a check engine light shortly after. Safety was put at risk due to the vehicle suddenly and uncontrollably braking without any warning on prior indication. …”
NHTSA complaint #11472594, filed 2022-07Vehicle speed control: other model years
Other parts of the 2021 Kia K5
57 complaintsElectrical system
46 complaintsOther or unknown
32 complaintsEngine
30 complaintsTransmission and drivetrain
19 complaintsAir bags
10 complaintsBrakes
10 complaintsBody and structure
10 complaintsForward collision avoidance
9 complaintsLane departure
9 complaintsSeats
8 complaintsSteering
7 complaints
← All problems reported for the 2021 Kia K5
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