Worst 2018 Hyundai Sonata Problems
Top 3 most-reported issues with average mileage at failure.
Engine Problems
Electrical Faults
Transmission / Drivetrain
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All Problems by Category
Every NHTSA complaint category for the 2018 Hyundai Sonata.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 197 | 3 | 7 | 37,958 mi | |
| Electrical Faults | 55 | 2 | 4 | 39,545 mi | |
| Transmission / Drivetrain | 35 | 2 | 1 | 48,691 mi | |
| Fuel System | 26 | — | 1 | 93,500 mi | |
| Headlight/Taillight Failures | 21 | — | — | 7,273 mi | |
| Unintended Acceleration | 17 | 5 | — | 13,770 mi | |
| Brakes | 13 | 4 | 1 | 18,367 mi | |
| Engine & Cooling | 11 | — | — | 92,242 mi | |
| Body Structure | 11 | — | — | 43,157 mi | |
| Steering Defects | 9 | — | — | 31,790 mi | |
| Latches / Locks | 8 | — | — | 22,160 mi | |
| Seat Belt Issues | 8 | 2 | — | 55,630 mi | |
| Forward Collision Avoidance: Automatic Emergency Braking | 5 | 1 | — | 157,000 mi | |
| Wipers & Visibility | 5 | — | — | 13,847 mi | |
| Airbags | 4 | 2 | — | — | |
| Suspension Failures | 4 | — | — | — | |
| Forward Collision Avoidance: Warnings | 3 | — | — | — | |
| Lane Departure: Blind Spot Detection | 3 | — | — | — | |
| Electronic Stability Control | 2 | — | 1 | — | |
| Forward Collision Avoidance: Adaptive Cruise Control | 2 | — | — | — | |
| Seat-Related Issues | 2 | — | — | — | |
| Hydraulic Brakes | 2 | 1 | — | — | |
| Tire Defects | 2 | — | — | — | |
| Back Over Prevention: Rearview System Braking | 1 | — | — | — | |
| Electrical System:12v/24v/48v Battery | 1 | — | — | — | |
| Electrical System:Instrument Panel:Speedometer/Odometer | 1 | — | — | — | |
| Electrical System:Starter Assembly | 1 | 1 | — | — | |
| Electrical System:Wiring | 1 | — | — | — | |
| Engine And Engine Cooling:Engine | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2018 Hyundai Sonata. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2018 Hyundai Sonata
1 NHTSA recall campaign affecting ~348,158 vehicles.
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Sonata, 2016-2018 Sonata Hybrid, 2018-2020 Accent, and 2016-2017 Azera vehicles. The trunk latch may become damaged, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
Other Hyundai Sonata Years
2018 Hyundai Sonata — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2018 Hyundai Sonata reliable?
What are common problems with the 2018 Hyundai Sonata?
At what mileage do problems start on the 2018 Hyundai Sonata?
How safe is the 2018 Hyundai Sonata?
Does the 2018 Hyundai Sonata have any recalls?
Should I buy a 2018 Hyundai Sonata?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Hyundai Sonata reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2018 Hyundai Sonata
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