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#BS-2004-GMCSIE-6AFC

2004 Gmc Sierra

Based on reports from 224 owners and 10 recalls for this exact model.

Complaints

224

Crashes

Fires

Recalls

TSBs

563

🛑

Preliminary Verdict

Red Flag

Based on 224 complaints, 12 crashes, 7 fires, and 10 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the BrakesHIGH

63 owners reported brakes issues — failures commonly reported around 46K miles.

!Inspect the ElectricalMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 0–30K miles (61 reports) • Median: 46K 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: Brakes (63 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

Brakes63 (28%)

Electrical18 (8%)

Electrical System: Instrument Cluster/panel18 (8%)

Power Train:automatic Transmission12 (5%)

Steering8 (4%)

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip7 (3%)

Speed Control6 (3%)

Fuel System6 (3%)

2004 Gmc Sierra: Known Issues & Problem Areas

Brakes Issues

Brakes complaints account for 28% of all reports filed for the 2004 Gmc Sierra, with 63 owners filing complaints with NHTSA. The median mileage at time of complaint is 46,000 miles, suggesting issues tend to surface around the 46K-mile mark.

Electrical Issues

Electrical complaints account for 8% of all reports filed for the 2004 Gmc Sierra, with 18 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Electrical System: Instrument Cluster/panel Issues

Electrical System: Instrument Cluster/panel complaints account for 8% of all reports filed for the 2004 Gmc Sierra, with 18 owners filing complaints with NHTSA. Owners should pay attention to electrical system: instrument cluster/panel-related symptoms during test drives and pre-purchase inspections.

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 5% of all reports filed for the 2004 Gmc Sierra, with 12 owners filing complaints with NHTSA. Owners should pay attention to power train:automatic transmission-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 2004 Gmc Sierra. 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 (10 recalls)

04E022000Mar 2004

EQUIPMENT

AFTERMARKET PICKUP TRUCK OVER-THE-RAIL BEDLINERS MANUFACTURED FOR INSTALLATION ON 1999-2004 CHEVROLET SILVERADO AND GMC SIERRA PICKUP TRUCKS. THE TOGGLE WING ASSEMBLY USED TO ATTACH THE BEDLINER TO THE TRUCK BED IS NOT ENGAGING FULLY IN THE STAKE POCKET OF THE PICKUP TRUCK.

04V045000Jun 2004

SERVICE BRAKES, HYDRAULIC

CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.

04V129000Sep 2004

STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF THE REAR BUMPER.

04V225000Sep 2004

SEAT BELTS:FRONT:ANCHORAGE

CERTAIN EXTENDED AND REGULAR CAB PICKUP TRUCKS AND CARGO VANS CONVERTED TO COMPRESSED NATURAL GAS (CNG) FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' THESE VEHICLES HAVE ONE SEATING POSITION, THE CENTER REAR SEAT, EQUIPPED WITH CHILD RESTRAINT LOWER ANCHORAGES.

05V043000Mar 2005

SERVICE BRAKES, HYDRAULIC

CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.

+ 5 more recalls 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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2004 Gmc Sierra vs. Class Average (Standard Pickup Trucks 2WD)

This vehicle

224

Class avg

510

Below the class average — fewer complaints than typical standard pickup trucks 2wd 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. 224 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 10 recalls found for this vehicle.

Repair Cost Data

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

Other Gmc Sierra Model Years

2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976

View all Gmc Sierra years →

2004 Gmc Sierra: Frequently Asked Questions

What is the most common problem with the 2004 Gmc Sierra?

The most commonly reported issue with the 2004 Gmc Sierra is related to the brakes, with 63 complaints filed with NHTSA.

Is the 2004 Gmc Sierra reliable?

The 2004 Gmc Sierra has 224 complaints, 12 crash reports, and 7 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.

How much does it cost to fix 2004 Gmc Sierra 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 2004 Gmc Sierra have any recalls?

Yes, the 2004 Gmc Sierra has 10 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Gmc Sierra problems start?

Based on 180 complaints with mileage data, the median mileage at time of complaint is 46,000 miles. The highest concentration of reported issues occurs in the 0–30K 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.

Get the Full 2004 Gmc Sierra Report

10 sections of AI analysis based on 224 owner reports. Know before you buy.

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