2018 Kia RIO problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
28 owner complaints analyzed
1 distinct recall campaigns
35,785 mi median reported failure mileage
Scope: 2018 model year. Data snapshot: . 6 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 15 of 28 complaints (53.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 5 | 17.9% |
| Engine operation | 4 | 14.3% |
| Steering behavior | 3 | 10.7% |
| Braking behavior | 2 | 7.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 15 |
| Air Bags | 5 |
| Unknown Or Other | 5 |
| Electrical System | 4 |
| Exterior Lighting | 2 |
| Fuel/Propulsion System | 2 |
| Electrical System:Ignition:Anti-Theft:Immobilizer/Proximity:Key/Sender | 1 |
| Engine And Engine Cooling | 1 |
Engine: 15; Air Bags: 5; Unknown Or Other: 5; Electrical System: 4; Exterior Lighting: 2; Fuel/Propulsion System: 2; Electrical System:Ignition:Anti-Theft:Immobilizer/Proximity:Key/Sender: 1; Engine And Engine Cooling: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 3 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 0 |
Under 25,000: 3; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 2; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (3). 22 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 5 |
2019: 1; 2020: 2; 2021: 3; 2022: 4; 2023: 3; 2024: 4; 2025: 6; 2026: 5
Pattern summary
Engine leads the component reports. Electrical and battery issues appears in 5 complaint narratives. Engine operation appears in 4 complaint narratives. Steering behavior appears in 3 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11376665 · 2020-11-27 (November 27, 2020)
OUR 2018 KIA RIO WAS BOUGHT NEW. I WAS TRAINING MY WIFE TO PARALLEL PARK WHEN IT HAD ONLY 100 MILES ON IT. AS SHE KEPT REPEATING THE PROCEDURE OF PARALLEL PARKING, THE STEERING WHEEL LOCKED UP AND WOULD NOT ALLOW MOVEMENT UNTIL THE ELECTRICAL CONTROL COOLED DOWN. WE THEN TOOK THE CAR TO THE DEALER, BOB UTTER IN SHERMAN, TEXAS WHERE WE HAD PURCHASED THE CAR TO HAVE THEM DETERMINE THE PROBLEM AND FIX IT. THEY DID NOTHING TO ADDRESS THE PROBLEM AND TOLD US THAT THERE WAS NOTHING WRONG WITH THE CAR! TERRIBLE DEALERSHIP! SO NOW, AFTER THE CAR IS NEA…
Owner-reported narrative. 100 miles reported. Look up ODI 11376665 at NHTSA ↗
Owner report 11589405 · 2024-05-18 (May 18, 2024)
I've been having issues with the engine for a while I'm constantly getting oil changes and after getting the oil change I would still have to add oil in every 2-3 weeks. 2/14/2024 My Oil light came on back on after putting oil in 2 weeks prior. That day my Car stalled on the HWY all my dash lights( battery, engine and oil light flashed. Ive been to multiple mechanics shop such as Express oil and Midas and both have told me there is a recall on engine such as mines, I called Kia multiple times and they told me it wasn't. I took the car to Kia la…
Owner-reported narrative. Look up ODI 11589405 at NHTSA ↗
Owner report 11646521 · 2025-03-05 (March 5, 2025)
The contact owns a 2018 Kia Rio. The contact stated that while driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. The vehicle was restarted. The vehicle was taken to an independent mechanic, where it was diagnosed with a cylinder #1 misfire. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The dealer was contacted but the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 102,3…
Owner-reported narrative. 102,316 miles reported. Look up ODI 11646521 at NHTSA ↗
Owner report 11498683 · 2022-12-23 (December 23, 2022)
My vehicle was stolen while parked with a club on the steering wheel then damaged and abandoned. I was without a vehicle for a month during repairs. It has been reported on the news that Kias are easily stolen due to the type of ignition system. A recall to fix this is need immediately!
Owner-reported narrative. Look up ODI 11498683 at NHTSA ↗
Owner report 11497523 · 2022-12-15 (December 15, 2022)
Excessive oil consumption 1 quart every 1000 miles. The brake light socket overheats causing fast bulb burn outs.
Owner-reported narrative. Look up ODI 11497523 at NHTSA ↗
Owner report 11593284 · 2024-06-09 (June 9, 2024)
My 2018 Kia Rio actually lit up on fire as I was driving down the highway on way to work. As I drove down the highway, I noticed that I had trouble using the brakes. It seemed as if they were working one second and then not working the next. At that time, I noticed fire coming from underneath the car and I was able to get the vehicle to the side of the road. As I was exiting the vehicle, the flames were coming up on either side of the driver and passenger doors. Within the next couple minutes the car exploded. Fire rescue put out the fire and …
Owner-reported narrative. Look up ODI 11593284 at NHTSA ↗