2018 Kia Sedona: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2018 Kia Sedona? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 46 complaints, with Engine Problems as the top reported area.
2018 Kia Sedona Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 3 2018 Kia Sedona trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 3 trims analysed.
2018 Kia Sedona Safety Ratings
NHTSA 5-Star ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
13% rollover risk
Frontal Crash
Side Crash
Rollover
13% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2018 Kia Sedona has 46 owner complaints, 1 crash-related complaints, and 3 recall campaigns on record. The most frequently reported component is Engine Problems. NHTSA reliability signal: Notable Issues.
- Make
- Kia
- Model
- Sedona
- Model year
- 2018
- NHTSA owner complaints
- 46
- Crash-related complaints
- 1
- Safety recall campaigns
- 3
- Top reported component
- Engine Problems
- Reliability signal
- Notable Issues
- EPA MPG combined
- 20
- EPA MPG city / highway
- 18 / 24
- Fuel type
- Regular Gasoline
- NHTSA overall safety rating
- 5/5 stars
- NHTSA frontal crash rating
- 5/5 stars
- NHTSA side crash rating
- 5/5 stars
- NHTSA rollover rating
- 4/5 stars
- Electronic stability control
- Standard
Most Common 2018 Kia Sedona Problems
Top owner-reported complaint areas and where they often appear.
Engine Problems
Electrical Faults
Airbag Malfunctions
Complaint patterns center on Engine Problems, Electrical Faults, Airbag Malfunctions. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2018 Kia Sedona?
The 2018 Kia Sedona shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.
Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.
What to Check Before Buying a Used 2018 Kia Sedona
Inspection Focus
- Inspect the engine for any signs of problems or prior repairs.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine, electrical, and airbag systems.
- Have a mechanic inspect the vehicle before purchase.
Before You Close the Deal
- Inspect the engine for any signs of problems or prior repairs.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine, electrical, and airbag systems.
- Have a mechanic inspect the vehicle before purchase.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2018 Kia Sedona, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.
What the Complaint Data Suggests
Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology
Based on 46 NHTSA complaints for the 2018 Kia Sedona, issues appear concentrated in the engine and electrical systems. Airbag malfunctions and structural problems are also reported, though with lower frequency. The single crash-related complaint and three recalls suggest some safety concerns, but the low confidence level warrants caution in interpretation.
- Engine problems account for the largest share of complaints (20 out of 46).
- Electrical faults are the second most reported issue (10 complaints).
- Airbag malfunctions are noted in 6 complaints.
- Engine Problems
- Electrical Faults
- Airbag Malfunctions
All 2018 Kia Sedona Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2018 Kia Sedona. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 20 | — | 4 | — | |
| Electrical Faults | 10 | 1 | 1 | — | |
| Airbag Malfunctions | 6 | 1 | — | — | |
| Structural Problems | 3 | 1 | — | — | |
| Uncategorized Issues | 3 | — | — | — | |
| Brake System | 2 | — | — | — | |
| Transmission / Drivetrain | 2 | — | 1 | — | |
| Fuel/Propulsion System | 2 | — | — | — | |
| Seat-Related Issues | 2 | — | — | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Wheel Issues | 2 | — | — | — | |
| Hydraulic | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Suspension Failures | 1 | — | 1 | — | |
| Steering Defects | 1 | — | — | — | |
| Forward Collision Avoidance: AEB | 1 | — | 1 | — | |
| Door Lock Issues | 1 | — | — | — | |
| Tire Issues | 1 | — | — | — | |
| Visibility/Wiper | 1 | — | — | — | |
| Unintended Acceleration | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Real Owner Complaints
Read what owners actually reported to NHTSA for the 2018 Kia Sedona. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
The contact owns a 2018 Kia Sedona. The contact stated that while driving at an undisclosed speed, the message "Check Auto Emergency System" was displayed and the brake warning light illuminated. Additionally, an unknown fluid was leaking near the front passenger’s side wheel. Th…
The vehicle is a 2018 Kia Sedona with approximately 122,000 miles that experienced a catastrophic engine failure resulting in complete engine seizure. The failure has been identified by an independent mechanic as a rod bearing issue. The engine remains intact and is available for…
My [XXX] son pulled the seatbelt so tight it got wrapped around his neck. When I pulled over to unbuckle it, it was stuck. I turned the car off and on again to try and loosen it, but it didn't work. In the emergency, I had to cut the seatbelt with scissors. It's the passenger se…
In 2022, our airbag light came on. On 5/10/2022 am Airbag recall was issued and it was fixed. The airbag computer/module was fixed. We got into an accident in August of 2022, and our airbags never went off. And the airbag light has never shut off since it was “fixed” May 2022. I…
While driving under normal conditions and normal operation, the engine lost power, began using excessive fuel, the inside of the vehicle smelled like fuel and white smoke began pouring out of the exhaust.
Driver Side door stuck in the closed position. Electric Motor does not work.
There was a fire under my minivan as my husband was driving it, creating smoke and flames. He lost power to the van and had to coast to the right side of the highway where he came to a stop with the flames occurring. This is the family vehicle and I have small children. We had no…
Engine failed…driving down the road with five small children and without warning all the lights came on and started smoking, leaking fuel, power doors failed, steering, acceleration and more. We had to have the car towed to a shop. A when looking into what’s happening apparently …
While driving on the interstate, about an hour into the trip, there was a banging/tinging sound coming from the front of the van. Immediately the van was pulled off the road to assess the situation as there were NO WARNING MESSAGES OR LIGHTS that came on to alert of any problem. …
ENGINE - blown head gasket, cracked block. Vehicle is at dealership service center in for repairs.vehicle has been inspected by the warranty company. No engine light or warnings or messages came up on the car. Approximately 64000.00 miles smelling antifreeze. Took it in to have i…
While returning from a road trip to the Phoenix Arizona area I was driving my family in the Kia Sedona van. We were driving on highway [XXX] going over [XXX] accelerating up hill. Without warning the car started to have high rpms and the sensor for the check oil along with the ch…
We have a 2018 KIA Sedona SXL that started to have a knock the beginning of the year. We noticed it was dry on oil even though we faithfully get our oil serviced. I took it in for an oil change right away and they were also surprised as I have always went there for my oil service…
Head gasket blew and caused coolant to leak into the engine. We broke down on the side of the interstate. Our vehicle sat at the dealer for 5 months awaiting a new engine to be put in. No warnings beforehand.
Engine in my 2018 Kia has failed. This should be covered under warranty as van only has 90k miles on it but because I am the second owner they are telling me it is not covered. Several other 2018 Kia’s have already been recalled for engine failure. My car was burning oil. This is…
Blown engine at 108,000. Known issues with 3.3-liter V6 engine . Kia refises to repair.
Paint peeling
Engine failed. Replacement is required. Currently at dealership where auto was purchased. Dropped off 30 JUL '24. Waitng for replacement.
I took the vehicle to get serviced to check the engine light coming on. The Kia dealership stated that the CVVT Assembly and Oil Control Valve had to be replaced. The entire engine would have to be replaced if there was engine damage. The check engine would turn off for a couple …
108,000 miles failed engine due to know rod issues with this engine
While driving at highway speed all the dashboard lights came on and the engine instantly quit. I managed to pull the wheel and coast to the side of the road, which was difficult with no power steering. I tried restarting the engine, but it would not stay running. I had to have th…
Source: NHTSA Complaints Database. Real owner reports for the 2018 Kia Sedona.
2018 Kia Sedona Recalls
3 campaignsNHTSA recall campaigns for the 2018 Kia Sedona. 3 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2018 Kia Sedona Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2018 Kia Sedona reliable?▾
Notable Issues. NHTSA currently shows 46 owner complaints, 1 crash-related complaints, and 3 recall campaigns for this model year. The 2018 Kia Sedona shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.
What are the most common problems with the 2018 Kia Sedona?▾
#1: Engine Problems (20 complaints). #2: Electrical Faults (10 complaints). #3: Airbag Malfunctions (6 complaints)
At what mileage do problems start on the 2018 Kia Sedona?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2018 Kia Sedona?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2018 Kia Sedona, NHTSA complaints include 1 crash-related reports and 4 fire reports out of 46 total complaints. 1 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2018 Kia Sedona have any recalls?▾
Yes. 3 NHTSA recall campaigns affect the 2018 Kia Sedona. A major recall area is STRUCTURE:BODY:DOOR. 3 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2018 Kia Sedona?▾
The 2018 Kia Sedona shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Engine Problems during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Kia Sedona reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2018 Kia Sedona based on your ownership experience.
Add your rating:
Ratings are based on owner experience and are separate from NHTSA data shown above.
Check the Exact Vehicle History Before You Buy
Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.