2004 Ford Mustang: Reliability Data

Source: NHTSA — 127 complaints
127
Total Complaints
13,446mi
Median Mileage
VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
Top Issue
21
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

5,000 25th Percentile
13,446 Median Mileage
40,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
26
UNKNOWN OR OTHER
15
AIR BAGS
5
VEHICLE SPEED CONTROL
5
TIRES
5
AIR BAGS:FRONTAL
4
POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
3
SUSPENSION
3
EQUIPMENT
3
POWER TRAIN:MANUAL TRANSMISSION
2

Severity Assessment

21
Crashes
0
Fires
8
Injuries
0
Deaths

Sample Complaint Reports

"I BOUGHT A 2004 FORD MUSTANG ON 9/15/03. THE REAR DIFFERENTIAL WAS FAULTY, CAUSING ME TO TAKE IT TO THE DEALERSHIP TO BE REPLACED ON 10/28/03. THE REAR END WHINES AND IS WOBBLY WHILE MAKING ANY TURNS, LEFT OR RIGHT.*AK"
"THE HEAD REST ONLY ADJUST UP TO ONE INCH. THE CONSUMER IS CONCERNED THAT ANYONE WHO DRIVES THESE VEHICLES WILL NOT HAVE THE PROPER HEAD RESTRAINT PROTECTION IN THE EVENT OF A CRASH. PLEASE PROVIDE ANY ADDITIONAL INFORMATION. *NM"
"REPEATED INTERMITTENT FUEL SMELL DURING OPERATION OF VEHICLE IN INTERIOR COMPARTMENT. *LA"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28