Problems · NHTSA complaints
1998 Hyundai Sonata problems
Owners filed 50 complaints about the 1998 Hyundai Sonata with NHTSA between Oct 1998 and Jul 2010. The most-cited component is power train (12).
Complaints
50
Filed with NHTSA
Crashes
3
Reported by owners
Fires
0
Reported by owners
Injuries
3
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Power train12
- Fuel system, gasoline10
- Visibility9
- Latches/locks/linkages7
- Air bags6
- Engine and engine cooling5
- Electrical system4
- Service brakes, hydraulic3
- Steering2
- Structure2
- Seats1
- Exterior lighting1
- Fuel system, other1
- Equipment1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
11
7
6
1
6
6
5
4
2
0
0
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 1998 | 1 |
| 1999 | 11 |
| 2000 | 7 |
| 2001 | 6 |
| 2002 | 1 |
| 2003 | 6 |
| 2004 | 6 |
| 2005 | 5 |
| 2006 | 4 |
| 2007 | 2 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Power train
12 reports
“WHEN DRIVING OUT OF MY PARKING LOT, TWO PIECES OF EQUIPMENT FELL OFF OF MY VEHICLE. ONE LOOKED LIKE A BELT AND THE OTHER A SMALL DRUM. MY AUTOMATIC TRANSMISSION WOULD NO LONGER FUNCTION AND I WAS FORCED TO COAST INTO A PARKING SPOT IN THE LOT. *JB”
Fuel system, gasoline
10 reports1 related recall
“CRACK IN GAS TANK DISCOVERED AFTER SEVERAL REMOVALS OF TANK TO REPLACE HOSES, THEN CLAMPS. REPLACED 1998 TANK WITH USED TANK FROM 1996 MODEL. WITHIN 3 MONTH REPLACEMENT TANK WAS LEAKING FROM CRACK IN SAME AREA AS BEFORE. DISCOVERED RECALL ON THIS MODEL AND TOOK VEHICLE TO LOCAL DEALER. DEALER REFUSED TO HONOR RECALL DUE TO SERVICE PERFORMED IN 2006 WHERE THEY (SUPPOSEDLY) ADDED CHECK VALVE TO PREVENT GAS TANK CRACKS FROM DEVELOPING. APPEALS TO REGIONAL AND NATIONAL HYUNDAI OFFICES WERE ALSO REJECTED. DEALER SENT ME AWAY WITH SERIOUSLY LEAKING / DANGEROUS TANK. *TR”
Visibility
9 reports
“DT: THE DRIVERS SIDE DOOR LATCH BROKE. CALLER HAD TO ROLL DOWN THE WINDOW TO GET THE DOOR OPENED. FOR ABOUT 6 MONTHS THE HANDLE HAD A HAIRLINE CRACK IN IT, AND NOW THE HANDLE HAD 4 CRACKS. IT IS NOT STRONG ENOUGH TO OPEN THE LATCH. DEALER AND MANUFACTURERR HAVE NOT BEEN CONTACTED YET. ALSO CALLER HAD TO REPLACE ALL 4 OF THE WINDOW ROLLWERS. *AK”
Latches/locks/linkages
7 reports
“I BOUGHT MY HYUNDAI IN 2004. MY 1998 HYUNDAI SONATA VEHICLE DRIVER AND PASSENGER INTERIOR PART OF DOORS ARE STUCK. I HAD THE PASSENGER SIDE FRONT DOOR REPAIRED THE SAME YEAR. IT STUCK AGAIN IN 2006 AND HAS BEEN THAT WAY TO THIS DAY. MY PROBLEM NOW IS THAT THE DRIVER SIDE DOOR IS NOW STUCK AS OF JULY 10 2010. I CANNOT AFFORD REPAIRS AT THE MOMENT BECAUSE THE CAR JUST CUT OFF WHILE DRIVING FRIDAY, JULY 16, 2010 AND HOPEFULLY I CAN AFFORD THE REPAIRS TO GET IT WORKING AGAIN. I MUST CLIMB OVER THE SEAT TO THE BACK AND GO OUT OF THE REAR PASSENGER DOOR. THE DRIVER SIDE REAR DOOR IS NOT WORKING BECAUSE OF THE LATCH (THEY CONTINUE TO BREAK) AND I HAVE REPLACED ALL OF THEM AT ONE POINT. THEY ARE $25.00 AT THE JAY MARK HYUNDAI. THEY ARE LISTED BELOW: DRIVER SIDE WINDOW IS BROKEN. I WENT DOWN AND NEVER CAME UP AGAIN. I COULD NOT AFFORD REPAIRS THEN AND ASKED THE MECHANIC TO PUSH IT UP AND PUT A SCREW SO THAT IT WOULD NOT COME DOWN AGAIN. THE LATCH HAS BROKEN AND BEEN REPLACED TWICE. THE THIRD TIME I WAS NOT GOING TO BUY ANOTHER LATCH. THE DOOR IS STUCK AND WILL NOT OPEN. THE PASSENGER SIDE WINDOW WILL NOT GO DOWN COMPLETELY. THE PASSENGER SIDE FRONT DOOR WILL NOT OPEN IT…”
Air bags
6 reports3 crashes
“ALTHOUGH AIR CONDITIONER COMPRESSOR WAS PAID FOR AT 900.+ DOLLARS THE BELTS AND WHEELS STILL LOCK-UP. WHEN TAKEN BACK TO HAVE CHECKED THE PROBLEM CAN NEVER BE PRODUCED. AS FOR CLOCK SPRING THE OWNERS MANUAL SAYS THAT THE AIRBAG SYSTEM SHOULD BE CHECKED EVERY 10 YEARS ABD THIS SYSTEM HAS FAILED IN 2 YEARS. SERVICE MANAGER TOLD ME AIRBAGS WILL NOT DEPLOY NOW. I AM TOLD IF I PAY FOR THE REPAIRS TO THE AIRBAG FIRST I WILL BE REIMBURSED, BUT WHY MUST I PAY FOR A SAFETY ITEM THAT IS BEYOND MY CONTROL AND THAT IS A MAJOR ITEM OF SAFETY. *AK”
Engine and engine cooling
5 reports
“DT: THE CONTACT STATED THE CHECK ENGINE LIGHT IS NOT FUNCTIONAL AND THAT THE THE OBD TO THE SYSTEM IS NOT COMMUNICATING. DUE TO THIS THE EVAPORATIVE SYSTEM IS NOT READY. THIS VEHICLE IS NOT CONFORMING TO THE CLEAN AIR ACT AND CANNOT PASS EMISSIONS.”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.