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#BS-1991-TOY4RU-3360

1991 Toyota 4runner

Based on reports from 55 owners and 2 recalls for this exact model.

Complaints
55
Crashes
3
Fires
0
Recalls
2
TSBs
28
🟢

Preliminary Verdict

Proceed with Caution

Based on 55 complaints, 3 crashes, 0 fires, and 2 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

intermittent difficulties starting engine

2 complaints • Severity 8/10

$X,XXX
2

power steering leaking

2 complaints • Severity 6/10

$X,XXX

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Mechanic Inspection Checklist

!Check the Engine And Engine Cooling:engineHIGH

17 owners reported engine and engine cooling:engine issues — failures commonly reported around 164K miles.

!Inspect the Wheels & TiresMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K
30–60K
60–90K
1
90–120K
120–150K
10
150K+

Peak failure range: 150K+ miles (10 reports) • Median: 164K 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: Engine And Engine Cooling:engine (17 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

Engine And Engine Cooling:engine17 (31%)
Wheels & Tires4 (7%)
Engine And Engine Cooling:exhaust System2 (4%)
Power Train:clutch Assembly2 (4%)
Tires:tread/belt2 (4%)
Steering:linkages:knuckle:spindle:arm2 (4%)
Steering:linkages:rod:relay:connecting2 (4%)
Service Brakes, Hydraulic:foundation Components:disc:pads1 (2%)

1991 Toyota 4runner: Known Issues & Problem Areas

Engine And Engine Cooling:engine Issues

Engine And Engine Cooling:engine complaints account for 31% of all reports filed for the 1991 Toyota 4runner, with 17 owners filing complaints with NHTSA. The median mileage at time of complaint is 164,000 miles, suggesting issues tend to surface around the 164K-mile mark.

Wheels & Tires Issues

Wheels & Tires complaints account for 7% of all reports filed for the 1991 Toyota 4runner, with 4 owners filing complaints with NHTSA. Owners should pay attention to wheels & tires-related symptoms during test drives and pre-purchase inspections.

Engine And Engine Cooling:exhaust System Issues

Engine And Engine Cooling:exhaust System complaints account for 4% of all reports filed for the 1991 Toyota 4runner, with 2 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:exhaust system-related symptoms during test drives and pre-purchase inspections.

Power Train:clutch Assembly Issues

Power Train:clutch Assembly complaints account for 4% of all reports filed for the 1991 Toyota 4runner, with 2 owners filing complaints with NHTSA. Owners should pay attention to power train:clutch assembly-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

6
00
1
01
3
03
3
04
2
05
1
06
2
07
1
08
1
11
1
14
2
15
1
17

Complaints filed with NHTSA by year for the 1991 Toyota 4runner. Recent trend: decreasing.

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

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Recall History (2 recalls)

05V389000Oct 2005

STEERING:LINKAGES:ROD:RELAY:CONNECTING

ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, IF THE STEERING WHEEL IS REPEATEDLY TURNED UNDER CERTAIN CONDITIONS WHERE HIGH STEERING EFFORT AND POWER ASSIST ARE REQUIRED, FOR INSTANCE, WHEN FULLY TURNING THE WHEEL WHILE THE VEHICLE IS STOPPED, A FATIGUE CRACK MAY DEVELOP IN THE STEERING RELAY ROD.

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.

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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1991 Toyota 4runner vs. Class Average (Special Purpose Vehicles)

This vehicle

55

Class avg

43

Complaint volume is roughly in line with other special purpose vehicles vehicles from 1991.

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. 55 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

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

Other Toyota 4runner Model Years

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View all Toyota 4runner years →

1991 Toyota 4runner: Frequently Asked Questions

What is the most common problem with the 1991 Toyota 4runner?
The most commonly reported issue with the 1991 Toyota 4runner is related to the engine and engine cooling:engine, with 17 complaints filed with NHTSA.
Is the 1991 Toyota 4runner reliable?
The 1991 Toyota 4runner has 55 complaints, 3 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 1991 Toyota 4runner 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 Toyota 4runner have any recalls?
Yes, the 1991 Toyota 4runner has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Toyota 4runner problems start?
Based on 11 complaints with mileage data, the median mileage at time of complaint is 164,000 miles. The highest concentration of reported issues occurs in the 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 55 owner reports. Know before you buy.

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