2004 Hyundai Sonata: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2004 Hyundai Sonata? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 201 complaints, with Suspension Failures as the top reported area.
2004 Hyundai Sonata Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 4 2004 Hyundai Sonata 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. 4 trims analysed.
2004 Hyundai Sonata 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
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: 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 2004 Hyundai Sonata has 201 owner complaints, 22 crash-related complaints, and 1 recall campaign on record. The most frequently reported component is Suspension Failures. NHTSA reliability signal: Severe Issues.
- Make
- Hyundai
- Model
- Sonata
- Model year
- 2004
- NHTSA owner complaints
- 201
- Crash-related complaints
- 22
- Safety recall campaigns
- 1
- Top reported component
- Suspension Failures
- Reliability signal
- Severe Issues
- EPA MPG combined
- 22
- EPA MPG city / highway
- 19 / 28
- Fuel type
- Regular Gasoline
- Electronic stability control
- No
Most Common 2004 Hyundai Sonata Problems
Top owner-reported complaint areas and where they often appear.
Suspension Failures
Structural Problems
Airbag Malfunctions
Complaint patterns center on Suspension Failures, Structural Problems, 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 2004 Hyundai Sonata?
The 2004 Hyundai Sonata 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 2004 Hyundai Sonata
Inspection Focus
- Inspect suspension components (e.g., struts, control arms) for wear or damage.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for reported components, especially suspension and airbags.
- Have a mechanic inspect the vehicle before purchase, focusing on structural integrity.
Before You Close the Deal
- Inspect suspension components (e.g., struts, control arms) for wear or damage.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for reported components, especially suspension and airbags.
- Have a mechanic inspect the vehicle before purchase, focusing on structural integrity.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2004 Hyundai Sonata, 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
Complaints for the 2004 Hyundai Sonata are concentrated in suspension, structural, and airbag systems, with a moderate number of crash-related reports. The single recall and low confidence level suggest caution in interpreting these patterns.
- Suspension failures account for the highest number of complaints among all components.
- Structural problems and airbag malfunctions are also frequently reported.
- Crash-related complaints represent a notable portion of total complaints.
- Suspension Failures
- Structural Problems
- Airbag Malfunctions
All 2004 Hyundai Sonata Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2004 Hyundai Sonata. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Suspension Failures | 55 | 1 | — | — | |
| Structural Problems | 47 | 2 | — | — | |
| Airbag Malfunctions | 46 | 15 | 1 | — | |
| Electrical Faults | 17 | 1 | 1 | — | |
| Brake System | 16 | 6 | — | — | |
| Wheel Issues | 13 | 1 | — | — | |
| Steering Defects | 12 | — | — | — | |
| Door Lock Issues | 12 | — | — | — | |
| Uncategorized Issues | 11 | 1 | — | — | |
| Transmission / Drivetrain | 10 | 2 | — | — | |
| Engine Problems | 10 | 1 | — | — | |
| Hydraulic | 8 | 3 | — | — | |
| Headlight/Taillight Failures | 5 | — | — | — | |
| Unintended Acceleration | 5 | 2 | — | — | |
| Fuel System | 5 | — | — | — | |
| Gasoline | 5 | — | — | — | |
| Visibility | 4 | 1 | — | — | |
| Seat Belt Issues | 4 | 2 | — | — | |
| Fuel/Propulsion System | 3 | 1 | — | — | |
| Tire Issues | 3 | — | — | — | |
| Seat-Related Issues | 2 | — | — | — | |
| Equipment | 2 | — | — | — | |
| Air | 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 2004 Hyundai Sonata. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
On February, 16th 2026, I took my vehicle into the Automotive shop for an oil change. They inspected the car as well and they found that the front passenger side of the vehicle subframe has a substantial amount of the metal rusted through. The file attached was a photo of the rep…
I got this car a Hyundai sonata 2004 about 2 to 3 years ago. At first I didn't notice the problem until a couple months into me having the car I was on the freeway and it suddenly felt like I was out of control of my car and the back end was like swerving like I was pulling a tra…
My 2004 sonata which was manufactured 05/07/04. has front frame corrosion exactly like the 089 safety recall that hyundia issued already for 1998-2003. My car was manufactured a few months later and they are denying the repair because it doesn’t fall in their production dates.
I currently own a 2004 Hyundai Sonata with a severe sub-fame deterioration, Unfortunately it does not fall under the so called salt belt states, That being said I don't know how Kansas does not fit that especially north east Kansas. Wondering if there's some way that they could r…
The contact owns a 2004 Hyundai Sonata. The contact stated her fiance was driving 20-25 MPH on a steep hill with her in the front passenger's side seat. The contact stated that her fiance depressed the brake pedal to come to a complete stop at the stop sign, but the brake pedal w…
UNKNOWN, I recently purchased it from a dealership in Lemon Grove Cailfornia. Ever since I bought it,it has never had a catalytic converter and only one muffler. It is a 2.7L motor DOHC and requires 2 catalytic converters and dual exhaust due to the double overhead cam. It has ca…
The contact owns a 2004 Hyundai Sonata. The contact stated while driving approximately 30 MPH, the accelerator pedal was depressed, and the vehicle started shuddering. The contact stated she heard abnormal creaking and cracking sounds. The contact stated no warning light was illu…
NHTSA Campaign 09V124000 (Hyundai Recall #089) - excessive corrosion, thinning of the metal and perforation of the front sub-frame steel, due to road salt, resulting in separation of the forward mounting of the lower control arm increasing the risk of a crash. The recall was iss…
Air Bag autolight is on.
The shocks and suspension in my car are almost nonexistent causing multiple almost car accidents
The contact owns a 2004 Hyundai Sonata. The contact stated that while performing a 4-wheel alignment, the independent mechanic informed her that he was unable to complete the alignment successfully because the sub frame was severely corroded. Additionally, the contact stated that…
The contact owns a 2004 Hyundai Sonata. The contact stated upon taking the vehicle to an independent mechanic, she was informed that the subframe was severely corroded. The independent mechanic informed the contact that the failure was associated with NHTSA Campaign Number: 09V12…
The front subframe has a hole in it it rusted for some reason and upon research there was a recall on this particular issue but now there isn’t one. I went to two dealerships and they informed me that Hyundai had recalls on this issue that’s why I’m confused on why when I search …
I own a 2004 Hyundai Sonata. On 1/19/22, while driving the car, the brakes started failing. I was able to drive the car to my independent mechanic's shop and they repaired the brake issue with a fabrication and installation of the brake line. As my inspection was due, I made an …
The contact owns a 2004 Hyundai Sonata. The contact stated that the air bag warning light was illuminated and the fog lights were inoperable. The vehicle was taken to an independent mechanic who referred the contact to the dealer. The local dealer was not contacted. The vehicle w…
The contact owns a 2004 Hyundai Sonata. The contact stated that while driving the vehicle, she noticed that her brakes were failing. The contact stated that she drove her vehicle to an independent mechanic who attempted to replace the brakes however, the mechanic informed her tha…
EVERY ONCE IN AWHILE WHEN I PRESS THE BRAKE IT SEEMS TO ACCELERATE FOR A SECOND BEFORE BRAKING. I HAVE DOUBLE CHECKED AND I AM NOT PRESSING THE GAS ON ACCIDENT. IT HAS HAPPENED RIGHT AFTER I START DRIVING (SO GOING UNDER 25 MPH) ON SIDE STREETS IN TOWN. I AM UNSURE OF THE EXACT D…
TL* THE CONTACT OWNS A 2004 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE AT THE LOCAL DEALER FAULKNER HYUNDAI (11500 ROOSEVELT BLVD, PHILADELPHIA) FOR ROUTINE MAINTENANCE, IT WAS DISCOVERED THAT THE K-FRAME HAD SUSTAINED SEVERE RUSTING AND CORROSION. THE CAUSE OF THE FAILURE WAS…
I ENTERED MY VIN NUMBER ON THE HAS BUDDY APP AND IT SAYS THAT I HAVE A RECALL FOR SUSPENSION BUT CALLED A DEALER AND THEY SAID THAT IT DOESN'T. SOMETHING IS WRONG WITH THE WIRING TOO BECAUSE MY DOORS LOCK AT RANDOM TIMES MY SEAT GOES FORWARD AND BACK RANDOMLY MY SPEAKERS DON'T WO…
THERE IS A RECALL ON 2004 HYUNDAI SONATA FOR BAD SUBFRAMES THAT HAS BEEN AN ONGOING ISSUE SINCE AT LEAST 2001. THE SUBFRAMES RUST AND ROT OUT! MY 2004 SONATA HAS ONLY 84K ORIGINAL MILES AND I RECENTLY TOOK THE CAR TO A MECHANIC TO REPLACE A CONTROL ARM AND I WAS TOLD THAT THE RE…
Source: NHTSA Complaints Database. Real owner reports for the 2004 Hyundai Sonata.
2004 Hyundai Sonata Recalls
1 campaignNHTSA recall campaigns for the 2004 Hyundai Sonata. 1 recall campaign is on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
2004 Hyundai Sonata Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2004 Hyundai Sonata reliable?▾
Severe Issues. NHTSA currently shows 201 owner complaints, 22 crash-related complaints, and 1 recall campaign for this model year. The 2004 Hyundai Sonata 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 2004 Hyundai Sonata?▾
#1: Suspension Failures (55 complaints). #2: Structural Problems (47 complaints). #3: Airbag Malfunctions (46 complaints)
At what mileage do problems start on the 2004 Hyundai Sonata?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2004 Hyundai Sonata?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2004 Hyundai Sonata, NHTSA complaints include 22 crash-related reports and 2 fire reports out of 201 total complaints. 32 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2004 Hyundai Sonata have any recalls?▾
Yes. 1 NHTSA recall campaign affect the 2004 Hyundai Sonata. A major recall area is SUSPENSION. 1 recall campaign is on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2004 Hyundai Sonata?▾
The 2004 Hyundai Sonata 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 Suspension Failures 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 Hyundai Sonata reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2004 Hyundai Sonata 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.