Worst 1991 Hyundai Sonata Problems
Top 3 most-reported issues with average mileage at failure.
Seat Belt Issues
Automatic Transmission
Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor
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All Problems by Category
Every NHTSA complaint category for the 1991 Hyundai Sonata.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Seat Belt Issues | 7 | — | — | — | |
| Automatic Transmission | 5 | — | 1 | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor | 3 | — | — | — | |
| Electrical System:Ignition:Switch | 2 | — | 2 | — | |
| Electrical System:Starter Assembly | 2 | — | — | — | |
| Engine And Engine Cooling:Engine | 2 | — | — | — | |
| Engine And Engine Cooling:Engine:Gasoline | 2 | — | 1 | — | |
| Seat Belts:Front:Retractor | 2 | — | — | — | |
| Airbags | 1 | 1 | — | — | |
| Electrical System:12v/24v/48v Battery | 1 | — | — | — | |
| Electrical System:Alternator/Generator/Regulator | 1 | — | 1 | — | |
| Electrical System:Ignition | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Radiator Assembly | 1 | — | — | — | |
| Transmission / Drivetrain | 1 | — | — | — | |
| Power Train:Automatic Transmission:Cooling Unit And Lines | 1 | — | 1 | — | |
| Service Brakes, Hydraulic:Foundation Components | 1 | 1 | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Disc | 1 | — | — | — | |
| Service Brakes, Hydraulic:Foundation Components:Drum | 1 | — | — | — | |
| Steering:Rack And Pinion:Rack | 1 | — | — | — | |
| Unintended Acceleration | 1 | 1 | — | — | |
| Visibility:Windshield Wiper/Washer:Motor | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1991 Hyundai Sonata. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Hyundai Sonata Years
1991 Hyundai Sonata — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1991 Hyundai Sonata reliable?
What are common problems with the 1991 Hyundai Sonata?
How safe is the 1991 Hyundai Sonata?
Does the 1991 Hyundai Sonata have any recalls?
Should I buy a 1991 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 1991 Hyundai Sonata
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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