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#BS-1991-ISUTRO-381C

1991 Isuzu Trooper

Based on reports from 71 owners and 3 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

🛑

Preliminary Verdict

Red Flag

Based on 71 complaints, 5 crashes, 23 fires, and 3 recalls. Complaint rate is 1.6x the class average.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Power Train:automatic TransmissionHIGH

9 owners reported power train:automatic transmission issues — failures commonly reported around 135K miles.

!Inspect the Wheels:lugs/nuts/bolts/studsMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Power Train:automatic Transmission (9 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

Power Train:automatic Transmission9 (13%)

Wheels:lugs/nuts/bolts/studs8 (11%)

Engine And Engine Cooling:engine:gasoline6 (8%)

Engine And Engine Cooling:engine4 (6%)

Tires:tread/belt4 (6%)

Electrical System:wiring3 (4%)

Vehicle Speed Control:accelerator Pedal3 (4%)

Fuel System, Gasoline:delivery:fuel Pump3 (4%)

1991 Isuzu Trooper: Known Issues & Problem Areas

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 13% of all reports filed for the 1991 Isuzu Trooper, with 9 owners filing complaints with NHTSA. The median mileage at time of complaint is 135,000 miles, suggesting issues tend to surface around the 135K-mile mark.

Wheels:lugs/nuts/bolts/studs Issues

Wheels:lugs/nuts/bolts/studs complaints account for 11% of all reports filed for the 1991 Isuzu Trooper, with 8 owners filing complaints with NHTSA. Owners should pay attention to wheels:lugs/nuts/bolts/studs-related symptoms during test drives and pre-purchase inspections.

Engine And Engine Cooling:engine:gasoline Issues

Engine And Engine Cooling:engine:gasoline complaints account for 8% of all reports filed for the 1991 Isuzu Trooper, with 6 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:engine:gasoline-related symptoms during test drives and pre-purchase inspections.

Engine And Engine Cooling:engine Issues

Engine And Engine Cooling:engine complaints account for 6% of all reports filed for the 1991 Isuzu Trooper, with 4 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:engine-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

Complaints filed with NHTSA by year for the 1991 Isuzu Trooper. 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 (3 recalls)

90V166000Oct 1990

ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.

90V167000Oct 1990

POWER TRAIN:AUTOMATIC TRANSMISSION

PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.

93E023000Jul 1993

TRAILER HITCHES

THE WELD ON THE RECEIVER UNIT OF THE TRAILER HITCH CAN BREAK.

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 Isuzu Trooper is the 2000 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

1991 Isuzu Trooper vs. Class Average (Special Purpose Vehicles)

This vehicle

Class avg

1.6x the class average — significantly more complaints than typical special purpose vehicles 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. 71 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 3 recalls found for this vehicle.

Repair Cost Data

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

Other Isuzu Trooper Model Years

2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984

View all Isuzu Trooper years →

1991 Isuzu Trooper: Frequently Asked Questions

What is the most common problem with the 1991 Isuzu Trooper?

The most commonly reported issue with the 1991 Isuzu Trooper is related to the power train:automatic transmission, with 9 complaints filed with NHTSA.

Is the 1991 Isuzu Trooper reliable?

The 1991 Isuzu Trooper has 71 complaints, 5 crash reports, and 23 fire reports filed with NHTSA. This is 1.6x the class average — higher than typical for its segment.

How much does it cost to fix 1991 Isuzu Trooper 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 Isuzu Trooper have any recalls?

Yes, the 1991 Isuzu Trooper has 3 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Isuzu Trooper problems start?

Based on 2 complaints with mileage data, the median mileage at time of complaint is 135,000 miles. The highest concentration of reported issues occurs in the 120–150K 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 71 owner reports. Know before you buy.

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