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#BS-1999-GMCSIE-79CE1999 Gmc Sierra 1500
Based on reports from 182 owners and 4 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 182 complaints, 10 crashes, 0 fires, and 4 recalls.
Top reported problems
transmission crapped out
3 complaints β’ Severity 6.7/10
mushy poor brakes
2 complaints β’ Severity 6/10
this truck sucks
1 complaints β’ Severity 10/10
Preview: What's in your full report
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Mechanic Inspection Checklist
69 owners reported brakes issues β failures commonly reported around 112K miles.
Failure Timeline by Mileage
Peak failure range: 150K+ miles (44 reports) β’ Median: 112K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Brakes (69 reports).
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
Where the complaints fall
1999 Gmc Sierra 1500: Known Issues & Problem Areas
Brakes Issues
Brakes complaints account for 38% of all reports filed for the 1999 Gmc Sierra 1500, with 69 owners filing complaints with NHTSA. The median mileage at time of complaint is 112,000 miles, suggesting issues tend to surface around the 112K-mile mark.
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip Issues
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip complaints account for 8% of all reports filed for the 1999 Gmc Sierra 1500, with 14 owners filing complaints with NHTSA. Owners should pay attention to service brakes, hydraulic:antilock/traction control/electronic limited slip-related symptoms during test drives and pre-purchase inspections.
Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings Issues
Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings complaints account for 8% of all reports filed for the 1999 Gmc Sierra 1500, with 14 owners filing complaints with NHTSA. Owners should pay attention to service brakes, hydraulic:foundation components:hoses, lines/piping, and fittings-related symptoms during test drives and pre-purchase inspections.
Seats Issues
Seats complaints account for 5% of all reports filed for the 1999 Gmc Sierra 1500, with 10 owners filing complaints with NHTSA. Owners should pay attention to seats-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 1999 Gmc Sierra 1500. Recent trend: increasing.



Don't negotiate blind β know what this car costs to own
Repair costs β’ Negotiation scripts β’ Mechanic checklist β’ Buy/skip verdict
Recall History (4 recalls)
SEAT BELTS:FRONT:WEBBING
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. THESE VEHICLES DO NOT COMPLY WITH THE OCCUPANT PROTECTION REQUIREMENTS OF FMVSS NO. 208, "OCCUPANT CRASH PROTECTION."
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.
EQUIPMENT
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALLY. THE DATE CODE AND PART NUMBER APPEAR ON THE FILTER HOUSING. FRAM RACING HP4 AND HP8 OIL FILTERS NOT BEARING A DATE CODE IN THIS RANGE ARE NOT AFFECTED BY THIS RECALL. THE GASKET OF THE OIL FILTER BECOMES MORE PLIABLE UNDER HIGH TEMPERATURES AND PRESSURES.
WHEELS:HUB
CERTAIN FEDERAL-MOGUL REPLACEMENT WHEEL HUB ASSEMBLIES WITH THE BRAND NAMES: NATIONAL, CARQUEST P/NOS. 515020, 515021, 515025, 515053, 515054, 515059, AND 515060, SHIPPED BETWEEN JANUARY 23, 2006, AND DECEMBER 20, 2007, SOLD FOR LIGHT DUTY AND MEDIUM DUTY TRUCKS. THE INBOARD RETENTION NUT USED TO MAINTAIN HUB BEARING ASSEMBLY CAN LOOSEN RESULTING IN AN ABS LIGHT INDICATION, NOISE, AND/OR WHEEL SEPARATION.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 182 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Gmc Sierra 1500 Model Years
1999 Gmc Sierra 1500: Frequently Asked Questions
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Get the Full 1999 Gmc Sierra 1500 Report
10 sections of AI analysis based on 182 owner reports. Know before you buy.