2004 Ford Mustang: Is It Reliable?
Problems, Recalls & Buyer Verdict
Shopping for a used 2004 Ford Mustang? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 129 complaints, with Unintended Acceleration as the top reported area.
2004 Ford Mustang Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 8 2004 Ford Mustang 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. 8 trims analysed.
2004 Ford Mustang Safety Ratings
NHTSA 5-Star Program2 variants tested — showing 2004 Ford Mustang ConvertibleOfficial 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 Ford Mustang has 129 owner complaints, 24 crash-related complaints, and 6 recall campaigns on record. The most frequently reported component is Unintended Acceleration. NHTSA reliability signal: Severe Issues.
- Make
- Ford
- Model
- Mustang
- Model year
- 2004
- NHTSA owner complaints
- 129
- Crash-related complaints
- 24
- Safety recall campaigns
- 6
- Top reported component
- Unintended Acceleration
- Reliability signal
- Severe Issues
- EPA MPG combined
- 20
- EPA MPG city / highway
- 17 / 25
- Fuel type
- Regular Gasoline
- Electronic stability control
- No
Most Common 2004 Ford Mustang Problems
Top owner-reported complaint areas and where they often appear.
Unintended Acceleration
Uncategorized Issues
Engine Problems
Complaint patterns center on Unintended Acceleration, Uncategorized Issues, Engine Problems. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.
Should You Buy a Used 2004 Ford Mustang?
The 2004 Ford Mustang 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 Ford Mustang
Inspection Focus
- Investigate unintended acceleration issues by requesting service records and checking for related recalls.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine, airbag, and brake system repairs.
- Have a mechanic inspect the vehicle before purchase, focusing on reported components.
Before You Close the Deal
- Investigate unintended acceleration issues by requesting service records and checking for related recalls.
- Verify all open recalls at nhtsa.gov/recalls.
- Request service records for engine, airbag, and brake system repairs.
- Have a mechanic inspect the vehicle before purchase, focusing on reported components.
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2004 Ford Mustang, 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
Based on 129 NHTSA complaints for the 2004 Ford Mustang, the data suggests a concentration of issues related to unintended acceleration, engine problems, and airbag malfunctions. With 24 crash-related complaints and 6 recalls, buyers may want to investigate these areas closely. However, the confidence level is low, so these patterns should be interpreted cautiously.
- Unintended acceleration accounts for the highest number of complaints (35) among all components.
- Engine problems (12 complaints) and airbag malfunctions (11 complaints) are also notable.
- There are 6 recalls associated with this model year, indicating known issues addressed by the manufacturer.
- Unintended Acceleration
- Engine Problems
- Airbag Malfunctions
All 2004 Ford Mustang Complaints by Category
Every owner-reported complaint category filed with NHTSA for the 2004 Ford Mustang. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Unintended Acceleration | 35 | 4 | — | — | |
| Uncategorized Issues | 17 | 6 | — | — | |
| Engine Problems | 12 | — | — | — | |
| Airbag Malfunctions | 11 | 10 | — | — | |
| Brake System | 10 | 2 | — | — | |
| Transmission / Drivetrain | 9 | 1 | — | — | |
| Hydraulic | 7 | 2 | — | — | |
| Tire Issues | 6 | — | — | — | |
| Suspension Failures | 6 | — | — | — | |
| Electrical Faults | 5 | — | — | — | |
| Fuel System | 5 | — | — | — | |
| Equipment | 5 | — | — | — | |
| Gasoline | 4 | — | — | — | |
| Structural Problems | 4 | — | — | — | |
| Headlight/Taillight Failures | 3 | — | — | — | |
| Seat Belt Issues | 3 | — | — | — | |
| Steering Defects | 3 | — | — | — | |
| Parking-Brake Issues | 2 | 1 | — | — | |
| Visibility | 2 | — | — | — | |
| Seat-Related Issues | 2 | 1 | — | — | |
| Fuel/Propulsion System | 1 | — | — | — | |
| Electronic Stability Control | 1 | — | — | — | |
| Other | 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 Ford Mustang. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
See attached document for complaint
CASUAL DRIVER. NOTICED ACCELERATION AND COASTING/ROLLING WERE SLUGGISH. MECHANIC NOTED BRAKE AREA TEMP ON FRONT DRIVER'S SIDE WAS OVER 400 DEGREES. THE BRAKES ON THAT WHEEL WOULD NOT RELEASE COMPLETELY AND CAUSED CONTINUOUS FRICTION PRODUCING OVERHEATING. (I NOTICED I AM NOT TH…
NEVER KNOW WHEN CAR IS FULLY GAS UP ALWAYS PUT GAS IN AT 1/4 TO 1/2 TANK, WILL OVERFILL IF NOT VERY CAREFULLY SO REALLY JUST PUT NO MORE THAN 10 TO 15 DALLAS NEVER SHOWS FULL. DO NOT WANT TO OVERFLOW ON ME FOR ONE TWO IT'S BAD FOR MY BABY #1 MUSTANG
BACK ON MARCH 1, 2016 I BELIEVE I WAS COMING TO A STOP LIGHT I APPLIED MY FOOT ON THE BREAK AND THE CAR SEEM TO WANNA KEEP INCHING FORWARD INCHING FORWARD I HAD AT THIS TIME CONTINUED TO PRESS DOWN ON THE BREAK AS SOON AS I KNEW IT I WAS IN THE MIDDLE OF THE STREET PRACTICALLY DU…
GAS PEDAL GOT CAUGHT ON A PIECE OF CARPET WHICH CAUSED MY CAR TO ENTER INTO AN INTERSECTION ON A RED LIGHT AND CAUSED ME TO HAVE AN ACCIDENT. WHICH THEN MADE MY INSURANCE JUMP. I REMEMBER THIS DAY VERY WELL IT WAS THE DAY BEFORE MY BIRTHDAY I CAME UP TO THE RED LIGHT AND STOPPED …
ABS BRAKE LIGHT IS ON THIS IS UNSAFE IN WET OR SNOWY CONDITIONS
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. WHILE DRIVING 25 MPH, THE ACCELERATOR PEDAL BECAME CAUGHT IN THE FLOORMAT AND CAUSED THE VEHICLE TO ACCELERATE. THE CONTACT HAD TO SHIFT INTO NEUTRAL TO STOP THE VEHICLE. THE DEALER AND MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE…
BACK IN 2016 I WAS INVOLVED IN AN ACCIDENT IN WHICH MY GAS PEDAL SEEMED TO HAVE GOT HUNG UP ON THE CARPET WHICH CAUSED MY GAS PEDAL TO ACCELERATE A LITTLE WHEN I WAS AT A RED LIGHT CAUSING ME TO HAVE AN ACCIDENT.. I WAS COMING TO A STOP AT A RED LIGHT WHEN THE PEDAL SEEMED TO HAV…
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. WHILE ATTEMPTING TO DRIVE OFF FROM A PARKING SPACE, THE VEHICLE ACCELERATED FROM 0 TO APPROXIMATELY 40 MPH. AS A RESULT, THE VEHICLE CRASHED INTO THE FRONT DRIVER'S SIDE OF ANOTHER VEHICLE THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS …
THE SPARK PLUGS HAVE A TENDENCY TO BLOW OUT. AN EXPLOSION MAKES THE PLUG STRIP THE THREADS AND DO DAMAGE TO THE HEAD. THERE IS ALSO POTENTIAL FOR FIRE AS FUEL VAPOR IS THEN RELEASE DIRECTLY INTO THE ENGINE COMPARTMENT.
FRONT BRAKES DRAG OR FREEEZE UP CAUSING EXTREME HEAT OR ACTUALLY STOP VEHICLE. CAR HAS 18,000 MILES. FRONT CALIPERS HAVE BEEN REBUILT TWICE. FIRST FAILURE AT TEN YEARS,THEN FAILED AFTER APX 3 YEARS. THE PROBLEM IS THE PHENOLIC PISTONS SWELL AFTER TIME OR DUE TO LOSE OF LUBRICA…
TL* THE CONTACT OWNED A 2004 FORD MUSTANG. WHILE DRIVING APPROXIMATELY 15 MPH, A VEHICLE RAN A RED LIGHT AND CRASHED HEAD ON INTO THE CONTACT'S VEHICLE. THE CONTACT'S VEHICLE WAS TURNED SIDEWAYS AND CRASHED INTO A POLE. THE FRONTAL AIR BAGS FAILED TO DEPLOY. THE CONTACT WAS PINNE…
WE WERE IN AN ACCIDENT ON 2-28-2016 AND WAS HIT FROM THE SIDE AND PUSHED INTO A DITCH WHILE PASSING A FORD 250 HE TURNED INTO US WHILE DRIVING 50 MPH. THE AIRBAGS DID NOT GO OFF.
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT HEADLAMPS FAILED TO RESPOND INTERMITTENTLY. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE W…
FOR AT LEAST 5 YEARS THE CONVERTIBLE TOP LEAKS WATER INTO THE BACK OF THE CAR WHEN THE TOP FOLDS DOWN INTO THE BACK OF THE CAR, THEN THIS WATER LEAKS ONTO THE BACK FLOOR BOARDS. AFRAID IT IS GOING TO ROT OUT THE FLOOR BOARDS. THIS NEEDS TO BE TAKEN CARE OF. I KNOW OF MANY FORD…
AFTER STARTING ENGINE, SPARK PLUG EJECTED FROM BLOCK AND EXPLODED. ENGINE WAS IMMEDIATELY SHUT DOWN AND HAULED TO A REPAIR MECHANIC. COST OF REPAIR WAS $2,400 AND VEHICLE WAS IN SHOP FOR 5 DAYS. EXPLOSION WAS LOUD AND COULD HAVE CAUSED AN ACCIDENT WITH THE SHOCK OF THE LOUD NO…
PASSENGER SIDE FRONT SEAT BELT RETRACTS ONLY AND WILL NOT EXTEND, SO THEREFORE IS NON-FUNCTIONAL. THIS IS NOT A CASE OF TWISTED BELT, AS WE HAVE ACCESSED THE PART AND ENSURED "FLAT" WIND. MY SON JUST BOUGHT CAR. PRIOR OWNER SAYS IT NEVER WORKED FOR SEVERAL YEARS. DRIVER'S …
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT THE VEHICLE WOULD NOT START. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FAILURE COULD NOT BE REPLICATED HOWEVER, THE DEALER MADE REPAIRS TO THE VEHICLE. THE CONTACT WAS UNSURE OF WHAT REPAIRS WERE PERFORMED. TH…
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING, A LOUD NOISE WAS HEARD COMING FROM UNDER THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO A REPAIR SHOP WHERE THEY ADVISED THAT THE AIR COMPRESSOR CONDENSATION DRIPPED ONTO THE EXHAUST PIPE AND THE EXHA…
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS AND ENGAGING THE ACCELERATOR PEDAL, THE PEDAL WOULD BECOME STUCK. AS A RESULT, THERE WAS AN INCREASE IN ENGINE RPMS.THE CONTACT MENTIONED THAT SHE WOULD HAVE TO KICK AT THE PEDAL OR …
Source: NHTSA Complaints Database. Real owner reports for the 2004 Ford Mustang.
2004 Ford Mustang Recalls
6 campaignsNHTSA recall campaigns for the 2004 Ford Mustang. 6 recall campaigns are 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 Ford Mustang Buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2004 Ford Mustang reliable?▾
Severe Issues. NHTSA currently shows 129 owner complaints, 24 crash-related complaints, and 6 recall campaigns for this model year. The 2004 Ford Mustang 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 Ford Mustang?▾
#1: Unintended Acceleration (35 complaints). #2: Uncategorized Issues (17 complaints). #3: Engine Problems (12 complaints)
At what mileage do problems start on the 2004 Ford Mustang?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2004 Ford Mustang?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2004 Ford Mustang, NHTSA complaints include 24 crash-related reports and 0 fire reports out of 129 total complaints. 11 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2004 Ford Mustang have any recalls?▾
Yes. 6 NHTSA recall campaigns affect the 2004 Ford Mustang. A major recall area is EXTERIOR LIGHTING:HEADLIGHTS. 6 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2004 Ford Mustang?▾
The 2004 Ford Mustang 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 Unintended Acceleration 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 Ford Mustang reliability report with year-by-year comparison.
Owner Reliability Rating
Rate the 2004 Ford Mustang 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.