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#BS-1991-GMCSON-1BB9

1991 Gmc Sonoma

Based on reports from 35 owners and 2 recalls for this exact model.

Complaints
35
Crashes
3
Fires
3
Recalls
2
TSBs
2
🟢

Preliminary Verdict

Proceed with Caution

Based on 35 complaints, 3 crashes, 3 fires, and 2 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Service Brakes, Hydraulic:antilock/traction Control/electronic Limited SlipHIGH

10 owners reported service brakes, hydraulic:antilock/traction control/electronic limited slip issues — failures commonly reported around 95K miles.

!Inspect the Service Brakes, Hydraulic:foundation ComponentsMED
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: Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip (10 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

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip10 (29%)
Service Brakes, Hydraulic:foundation Components2 (6%)
Electrical System:wiring:front Underhood2 (6%)
Suspension:front:control Arm:lower Ball Joint1 (3%)
Power Train:clutch Assembly1 (3%)
Exterior Lighting:headlights1 (3%)
Power Train:manual Transmission1 (3%)
Structure:frame And Members1 (3%)

1991 Gmc Sonoma: Known Issues & Problem Areas

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip Issues

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip complaints account for 29% of all reports filed for the 1991 Gmc Sonoma, with 10 owners filing complaints with NHTSA. The median mileage at time of complaint is 95,486 miles, suggesting issues tend to surface around the 95K-mile mark.

Service Brakes, Hydraulic:foundation Components Issues

Service Brakes, Hydraulic:foundation Components complaints account for 6% of all reports filed for the 1991 Gmc Sonoma, with 2 owners filing complaints with NHTSA. Owners should pay attention to service brakes, hydraulic:foundation components-related symptoms during test drives and pre-purchase inspections.

Electrical System:wiring:front Underhood Issues

Electrical System:wiring:front Underhood complaints account for 6% of all reports filed for the 1991 Gmc Sonoma, with 2 owners filing complaints with NHTSA. Owners should pay attention to electrical system:wiring:front underhood-related symptoms during test drives and pre-purchase inspections.

Suspension:front:control Arm:lower Ball Joint Issues

Suspension:front:control Arm:lower Ball Joint complaints account for 3% of all reports filed for the 1991 Gmc Sonoma, with 1 owners filing complaints with NHTSA. Owners should pay attention to suspension:front:control arm:lower ball joint-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

4
00
1
01
2
02
3
03
1
04
1
08
1
10
1
13

Complaints filed with NHTSA by year for the 1991 Gmc Sonoma. Recent trend: stable.

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Recall History (2 recalls)

06E043000Oct 2006

FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.

99V193000May 2000

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

VEHICLE DESCRIPTION: CERTAIN 4-WHEEL DRIVE PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH ABS (ANTILOCK BRAKING SYSTEM) MANUFACTURED FROM SEPTEMBER 1989 THROUGH AUGUST 1996. UNDER CERTAIN DRIVING CONDITIONS THE SWITCH WHICH SIGNALS THE ABS SYSTEM WHETHER THE VEHICLE IS IN 2-WHEEL OR 4-WHEEL DRIVE CAN MALFUNCTION CAUSING INCREASED STOPPING DISTANCES DURING ABS STOPS WHILE IN THE TWO-WHEEL DRIVE MODE.

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 Gmc Sonoma vs. Class Average (Small Pickup Trucks)

This vehicle

35

Class avg

63

Below the class average — fewer complaints than typical small pickup trucks vehicles. A good sign.

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. 35 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 Gmc Sonoma Model Years

2005200420032002200120001999199819971996199519941993199219911990198919881987198619851984
View all Gmc Sonoma years →

1991 Gmc Sonoma: Frequently Asked Questions

What is the most common problem with the 1991 Gmc Sonoma?
The most commonly reported issue with the 1991 Gmc Sonoma is related to the service brakes, hydraulic:antilock/traction control/electronic limited slip, with 10 complaints filed with NHTSA.
Is the 1991 Gmc Sonoma reliable?
The 1991 Gmc Sonoma has 35 complaints, 3 crash reports, and 3 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.
How much does it cost to fix 1991 Gmc Sonoma 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 Gmc Sonoma have any recalls?
Yes, the 1991 Gmc Sonoma has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Gmc Sonoma problems start?
Based on 4 complaints with mileage data, the median mileage at time of complaint is 95,486 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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