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#BS-2006-GMCC45-A3C22006 Gmc C4500
Based on reports from 5 owners and 2 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 5 complaints, 0 crashes, 0 fires, and 2 recalls.
Top reported problems
excessive vibration at speeds between 43 to 48 mph
1 complaints • Severity 8/10
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Mechanic Inspection Checklist
1 owners reported seats issues — failures commonly reported around 2K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Seats (1 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
2006 Gmc C4500: Known Issues & Problem Areas
Seats Issues
Seats complaints account for 20% of all reports filed for the 2006 Gmc C4500, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 2,200 miles, suggesting issues tend to surface around the 2K-mile mark.
Visibility Issues
Visibility complaints account for 20% of all reports filed for the 2006 Gmc C4500, with 1 owners filing complaints with NHTSA. Owners should pay attention to visibility-related symptoms during test drives and pre-purchase inspections.
Power Train:automatic Transmission Issues
Power Train:automatic Transmission complaints account for 20% of all reports filed for the 2006 Gmc C4500, with 1 owners filing complaints with NHTSA. Owners should pay attention to power train:automatic transmission-related symptoms during test drives and pre-purchase inspections.
Brakes Issues
Brakes complaints account for 20% of all reports filed for the 2006 Gmc C4500, with 1 owners filing complaints with NHTSA. Owners should pay attention to brakes-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 2006 Gmc C4500. Recent trend: decreasing.



Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (2 recalls)
SUSPENSION
CERTAIN LINK ULTRARIDE REAR AIR SUSPENSION SYSTEMS, MODEL 8M000070, SOLD FOR INSTALLATION AS AFTERMARKET EQUIPMENT ON GM CHASSIS MODELS 4500 AND 5500, AMBULANCES AND SHUTTLE BUSES. THE AXLE SIDE LATERAL CONTROL BRACKET OF THE SUSPENSION HAS CRACKED IN SOME CASES.
EQUIPMENT ADAPTIVE/MOBILITY
CERTAIN INTERMOTIVE WHEELCHAIR LIFT INTERLOCK, P/NO. ILIS605-H3 ILIS ACTIVATION KIT (INTERLOCK OPTION FOR GATEWAY 401) SOLD FOR USE AS AFTERMARKET FOR 2005 - 2008 CHEVY 560 (C4500 AND C5500 KODIAK) 6.6L DIESEL VEHICLES WHICH A PROTECTION DIODE WAS USED. THE DIODE CAN BE EXPOSED TO VOLTAGE SPIKES GREATER THAN WHAT IT CAN WITHSTAND. THE DIODE COULD FAIL, WHICH COULD PREVENT VEHICLE INTERLOCK OPERATION WHEN A WHEELCHAIR LIFT IS DEPLOYED.
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. 5 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.
2006 Gmc C4500: Frequently Asked Questions
What is the most common problem with the 2006 Gmc C4500?
Is the 2006 Gmc C4500 reliable?
How much does it cost to fix 2006 Gmc C4500 problems?
Does the 2006 Gmc C4500 have any recalls?
What mileage do Gmc C4500 problems start?
What’s in the full report?
How is this different from free NHTSA data?
How is this different from Carfax?
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Get the Full 2006 Gmc C4500 Report
10 sections of AI analysis based on 5 owner reports. Know before you buy.