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#BS-2007-GMCSIE-5B6C

2007 Gmc Sierra Classic

Based on reports from 27 owners and 1 recall for this exact model.

Complaints
27
Crashes
0
Fires
3
Recalls
1
TSBs
70
🟢

Preliminary Verdict

Proceed with Caution

Based on 27 complaints, 0 crashes, 3 fires, and 1 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the BrakesHIGH

11 owners reported brakes issues — failures commonly reported around 34K miles.

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

Failure Timeline by Mileage

10
0–30K
11
30–60K
1
60–90K
2
90–120K
1
120–150K
1
150K+

Peak failure range: 30–60K miles (11 reports) • Median: 34K 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 (11 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

Brakes11 (41%)
Fuel System4 (15%)
Electrical3 (11%)
Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings2 (7%)
Drivetrain2 (7%)
Visibility:defroster/defogger/hvac System1 (4%)
Steering1 (4%)
Power Train:driveline1 (4%)

2007 Gmc Sierra Classic: Known Issues & Problem Areas

Brakes Issues

Brakes complaints account for 41% of all reports filed for the 2007 Gmc Sierra Classic, with 11 owners filing complaints with NHTSA. The median mileage at time of complaint is 33,800 miles, suggesting issues tend to surface around the 34K-mile mark.

Fuel System Issues

Fuel System complaints account for 15% of all reports filed for the 2007 Gmc Sierra Classic, with 4 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 11% of all reports filed for the 2007 Gmc Sierra Classic, with 3 owners filing complaints with NHTSA. Owners should pay attention to electrical-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 7% of all reports filed for the 2007 Gmc Sierra Classic, with 2 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.

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
08
2
09
4
10
3
12
1
13
5
14
5
15
1
16

Complaints filed with NHTSA by year for the 2007 Gmc Sierra Classic. Recent trend: decreasing.

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

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Recall History (1 recall)

07E066000Sep 2007

EQUIPMENT:ELECTRICAL

CERTAIN CEQUENT 90 DEGREE 7-WAY RIGHT ANGLE ADAPTORS SOLD BY DISTRIBUTORS IN TOW PACKAGES FOR AFTERMARKET SALES TO TOW 5TH WHEEL RV TRAVEL TRAILERS. DUE TO INCORRECT WIRING OF THE HARNESS, THE TRAILER LIGHTS MAY NOT OPERATE PROPERLY.

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. 27 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 Classic Model Years

20102009200820072006200520042003
View all Gmc Sierra Classic years →

2007 Gmc Sierra Classic: Frequently Asked Questions

What is the most common problem with the 2007 Gmc Sierra Classic?
The most commonly reported issue with the 2007 Gmc Sierra Classic is related to the brakes, with 11 complaints filed with NHTSA.
Is the 2007 Gmc Sierra Classic reliable?
The 2007 Gmc Sierra Classic has 27 complaints, 0 crash reports, and 3 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 2007 Gmc Sierra Classic 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 2007 Gmc Sierra Classic have any recalls?
Yes, the 2007 Gmc Sierra Classic 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 Classic problems start?
Based on 26 complaints with mileage data, the median mileage at time of complaint is 33,800 miles. The highest concentration of reported issues occurs in the 30–60K 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 27 owner reports. Know before you buy.

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