Pre-purchase inspection checklist — 2018 Hyundai Sonata
The 2018 Hyundai Sonata has significant owner complaints, particularly concerning the engine and electrical system, along with a recall related to the trunk latch. Potential buyers should carefully assess these areas due to the relatively high complaint count. While the recall is minor, the engine and electrical issues require thorough inspection.
NHTSA data on file today
The 2018 Hyundai Sonata has 1 NHTSA recall campaign and 375 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, for the 1 NHTSA-tested trim.
Recall campaigns on file
- NHTSA #21V619000 Trunk Emergency Release May Fail/FMVSS 401 NHTSA notice
Most-cited components in owner complaints
- Engine 212 complaints
- Electrical System 60 complaints
- Unknown or Other 58 complaints
- Power Train 40 complaints
- Fuel/Propulsion System 32 complaints
- Exterior Lighting 22 complaints
Of the 375 complaints on file, 18 report a crash and 13 a fire; across all 375 complaints, owners report 20 injuries and 1 death (owner-reported, not verified by NHTSA).
Known issues to inspect
Frequent stalling or failure
How to check: Check for rough idling or engine warning lights.
Electrical malfunctions
How to check: Inspect for flickering lights or faulty displays.
Trunk latch malfunction
How to check: Verify trunk opens smoothly from inside and out.
Test-drive walkthrough
- 01
Cold start
What to check: Listen for rough idling or warning lights.
Red flag: Persistent warning lights
- 02
First minute idling
What to check: Check for unusual engine noises.
Red flag: Loud knocking sounds
- 03
City driving
What to check: Monitor for hesitation during acceleration.
Red flag: Sluggish or delayed response
- 04
Highway acceleration
What to check: Ensure smooth power transitions.
Red flag: Power loss or stalling
- 05
Braking
What to check: Listen for squeaking or grinding noise.
Red flag: Brakes grabbing or shuddering
- 06
Turning at low speed
What to check: Check steering response and noise.
Red flag: Excessive noise or difficult steering
Questions for the seller
Use this exact phrasing.
- Have there been any engine issues?
- Has the electrical system been serviced?
- Is the trunk latch recall completed?
- Any current dashboard warning lights?
- Has the car been in any accidents?
Documents to request
Don't sign anything until you have these.
- Service history records
- Proof of recall completion
- Accident history report
- Maintenance receipts
- Title and registration
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2018 Hyundai Sonata at the time. AI output can be wrong; confirm anything you find with a mechanic.
Next step
Looking at a specific 2018 Hyundai Sonata? Check the actual car
This checklist covers the model. From your free try.vin dashboard you can go further — paste the seller's listing for a deal score, or drop their photos for an AI condition report.