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#BS-1991-FORMUS-4499

1991 Ford Mustang

Based on reports from 98 owners and 6 recalls for this exact model.

Complaints
98
Crashes
5
Fires
27
Recalls
6
TSBs
35
🛑

Preliminary Verdict

Red Flag

Based on 98 complaints, 5 crashes, 27 fires, and 6 recalls. Complaint rate is 2.7x the class average.

See full verdict with buy/skip conditions

Top reported problems

1

fan switch melted

1 complaints • Severity 4/10

$X,XXX
2

shift lock does not always engage into park

1 complaints • Severity 10/10

$X,XXX
3

stalls out while driving

1 complaints • Severity 8/10

$X,XXX

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Mechanic Inspection Checklist

!Check the Electrical System:ignition:switchHIGH

18 owners reported electrical system:ignition:switch issues — failures commonly reported around 124K miles.

!Inspect the Electrical System:wiring:interior/under DashMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K
1
30–60K
7
60–90K
1
90–120K
6
120–150K
4
150K+

Peak failure range: 60–90K miles (7 reports) • Median: 124K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical System:ignition:switch (18 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Electrical System:ignition:switch18 (18%)
Electrical System:wiring:interior/under Dash6 (6%)
Power Train:automatic Transmission6 (6%)
Electrical6 (6%)
Air Bags:frontal5 (5%)
Electrical System:ignition5 (5%)
Seats3 (3%)
Suspension:rear:shock Absorber3 (3%)

1991 Ford Mustang: Known Issues & Problem Areas

Electrical System:ignition:switch Issues

Electrical System:ignition:switch complaints account for 18% of all reports filed for the 1991 Ford Mustang, with 18 owners filing complaints with NHTSA. The median mileage at time of complaint is 124,000 miles, suggesting issues tend to surface around the 124K-mile mark.

Electrical System:wiring:interior/under Dash Issues

Electrical System:wiring:interior/under Dash complaints account for 6% of all reports filed for the 1991 Ford Mustang, with 6 owners filing complaints with NHTSA. Owners should pay attention to electrical system:wiring:interior/under dash-related symptoms during test drives and pre-purchase inspections.

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 6% of all reports filed for the 1991 Ford Mustang, with 6 owners filing complaints with NHTSA. Owners should pay attention to power train:automatic transmission-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 6% of all reports filed for the 1991 Ford Mustang, with 6 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

10
00
6
01
1
02
5
03
3
04
2
06
4
08
1
10
1
13
1
14
2
15
1
20

Complaints filed with NHTSA by year for the 1991 Ford Mustang. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (6 recalls)

06E049000Jul 2006

EXTERIOR LIGHTING

CERTAIN CK MOTORSPORTS COMBINATION HEADLIGHTS, CLEAR CORNER, BUMPER, AND SIDE MARKER LIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON THE PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.

08E050000Dec 2008

EXTERIOR LIGHTING:HEADLIGHTS

K2 MOTOR IS RECALLING 1,921 AFTERMARKET HEADLAMPS OF VARIOUS MODELS SOLD FOR USE ON THE ABOVE LISTED VEHICLES. THESE HEADLAMPS ARE MISSING THE AMBER SIDE REFLEX REFLECTOR WHICH FAILS TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."

09E012000May 2009

EXTERIOR LIGHTING

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

09E025000Jul 2009

EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

91V048000Jul 1991

POWER TRAIN:AUTOMATIC TRANSMISSION

THE PARK ROD ASSEMBLY CONTAINS A PARK CAM WITH INADEQUATE SURFACE HARDNESS, WHICH COULD LEAD TO PARK DISENGAGEMENT OR NO PARK ENGAGEMENT WHEN THE LEVER IS PLACED IN PARK.

+ 1 more recall in the full report

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Ford Mustang is the 2010 — worth knowing if you're cross-shopping years. The biggest problem area is body / paint.

1991 Ford Mustang vs. Class Average (Subcompact Cars)

This vehicle

98

Class avg

37

2.7x the class average — significantly more complaints than typical subcompact cars vehicles.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 98 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 6 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Ford Mustang Model Years

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View all Ford Mustang years →

1991 Ford Mustang: Frequently Asked Questions

What is the most common problem with the 1991 Ford Mustang?
The most commonly reported issue with the 1991 Ford Mustang is related to the electrical system:ignition:switch, with 18 complaints filed with NHTSA.
Is the 1991 Ford Mustang reliable?
The 1991 Ford Mustang has 98 complaints, 5 crash reports, and 27 fire reports filed with NHTSA. This is 2.7x the class average — higher than typical for its segment.
How much does it cost to fix 1991 Ford Mustang problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 1991 Ford Mustang have any recalls?
Yes, the 1991 Ford Mustang has 6 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Ford Mustang problems start?
Based on 19 complaints with mileage data, the median mileage at time of complaint is 124,000 miles. The highest concentration of reported issues occurs in the 60–90K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 98 owner reports. Know before you buy.

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