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#BS-2003-GMCSIE-5DF3

2003 Gmc Sierra 1500 Hd

Based on reports from 20 owners and 1 recall for this exact model.

Complaints
20
Crashes
0
Fires
1
Recalls
1
TSBs
111
🟢

Preliminary Verdict

Proceed with Caution

Based on 20 complaints, 0 crashes, 1 fires, and 1 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the BrakesHIGH

6 owners reported brakes issues — failures commonly reported around 102K miles.

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

Failure Timeline by Mileage

0–30K
4
30–60K
3
60–90K
6
90–120K
3
120–150K
4
150K+

Peak failure range: 90–120K miles (6 reports) • Median: 102K 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 (6 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

Brakes6 (30%)
Electrical3 (15%)
Engine3 (15%)
Visibility:defroster/defogger/hvac System:fan/motor1 (5%)
Steering1 (5%)
Visibility:glass, Side/rear1 (5%)
Visibility:rearview Mirrors/devices:exterior1 (5%)
Equipment:appliance:air Conditioner1 (5%)

2003 Gmc Sierra 1500 Hd: Known Issues & Problem Areas

Brakes Issues

Brakes complaints account for 30% of all reports filed for the 2003 Gmc Sierra 1500 Hd, with 6 owners filing complaints with NHTSA. The median mileage at time of complaint is 102,000 miles, suggesting issues tend to surface around the 102K-mile mark.

Electrical Issues

Electrical complaints account for 15% of all reports filed for the 2003 Gmc Sierra 1500 Hd, with 3 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Engine Issues

Engine complaints account for 15% of all reports filed for the 2003 Gmc Sierra 1500 Hd, with 3 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Visibility:defroster/defogger/hvac System:fan/motor Issues

Visibility:defroster/defogger/hvac System:fan/motor complaints account for 5% of all reports filed for the 2003 Gmc Sierra 1500 Hd, with 1 owners filing complaints with NHTSA. Owners should pay attention to visibility:defroster/defogger/hvac system:fan/motor-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

1
06
2
07
1
09
1
10
4
11
1
12
4
13
3
14
3
15

Complaints filed with NHTSA by year for the 2003 Gmc Sierra 1500 Hd. Recent trend: stable.

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

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Recall History (1 recall)

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.

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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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 20 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 1 recall found for this vehicle.

Repair Cost Data

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

Other Gmc Sierra 1500 Hd Model Years

20082007200620052004200320022001
View all Gmc Sierra 1500 Hd years →

2003 Gmc Sierra 1500 Hd: Frequently Asked Questions

What is the most common problem with the 2003 Gmc Sierra 1500 Hd?
The most commonly reported issue with the 2003 Gmc Sierra 1500 Hd is related to the brakes, with 6 complaints filed with NHTSA.
Is the 2003 Gmc Sierra 1500 Hd reliable?
The 2003 Gmc Sierra 1500 Hd has 20 complaints, 0 crash reports, and 1 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 2003 Gmc Sierra 1500 Hd 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 2003 Gmc Sierra 1500 Hd have any recalls?
Yes, the 2003 Gmc Sierra 1500 Hd has 1 recall on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Gmc Sierra 1500 Hd problems start?
Based on 20 complaints with mileage data, the median mileage at time of complaint is 102,000 miles. The highest concentration of reported issues occurs in the 90–120K 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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