Total Complaints
3 filings
GMC W4500 · model year
2006 GMC W4500
3 NHTSA complaints, and 3 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2006GMCW4500 carries 3 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2006 W4500 is fuel system, diesel with 1 filings, followed by electrical system (1) and fuel/propulsion system (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 3 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 2 investigation files overlapping the 2006 W4500. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
3
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| FUEL SYSTEM, DIESEL | 1 |
| ELECTRICAL SYSTEM | 1 |
| FUEL/PROPULSION SYSTEM | 1 |
Recalls (3)
15V70400026/10/2015
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
Isuzu Manufacturing Services of America (Isuzu) is recalling certain model year 2006-2008 Isuzu NPR and NPR-HD and Chevrolet W3500 and W4500 trucks manufactured March 16, 2005, to August 13, 2008 and 2006-2008 GMC W3500 and W4500 trucks manufactured July 18, 2005, to August 13, 2008. The affected v
10V63600015/12/2010
ENGINE AND ENGINE COOLING
ISUZU IS RECALLING CERTAIN MODEL YEAR 2006-2007 ISUZU NPR, NQR, NRR, GMC W3500, W4500, W5500, AND CHEVROLET W3500, W4500, AND W5500 VEHICLES. THE OIL PIPE BOLTS WERE NOT TIGHTENED PROPERLY DURING THE VEHICLE PRODUCTION PROCESS. IF NOT ADEQUATELY TIGHTENED, THE BOLT MAY LOOSEN AFTER PROLONGED VEHI
08V25100005/06/2008
FUEL SYSTEM, DIESEL
ISUZU IS RECALLING 16,859 MY 2006-2007 ISUZU NPR, NQR, NRR, GMC W3500, W4500, W5500 AND CHEVROLET W3500, W4500, W5500 TRUCKS EQUIPPED WITH DIESEL ENGINES. DIESEL FUEL MAY SEEP OR LEAK FROM THE FUEL PIPE AT THE UPPER OR LOWER FUEL PORT ON THE DIESEL FUEL SUPPLY PUMP.
Recent Complaints
20150322FUEL/PROPULSION SYSTEM
HELLO I HAVE HAD SEVERAL RECURRING ISSUES WITH MY FUEL PUMP SYSTEM. I HAVE HAD ONE ACTUAL FUEL LINE BREAK IN HALF AND POUR DIESEL OUT WHILE I WAS DRIVING DOWN THE ROAD. ALSO THE FUEL PUMP ON THE VEHICLE HAS COME A LOOSE FROM THE ENGINE TWICE BREAKING THE FOUR LUG NUTS THAT HOLD THE FUEL PUMP TO THE ENGINE, WHICH ALSO CAUSED FUEL TO LEAK. *TR
Mileage: 170,000
20131231ELECTRICAL SYSTEM
TRUCK IS WARMING UP VERY EASY AND THE ALARM IS TURNING ON AFTER DRIVE COUPLE MILES. *TR
20111024FUEL SYSTEM, DIESEL
TL* THE CONTACT OWNS A 2006 GENERAL MOTOR COMPANY W4500. THE CONTACT WAS DRIVING WHEN THE VEHICLE STALLED, AND THE CONTACT NOTICED THERE WAS DIESEL FUEL LEAKING. THE VEHICLE WAS TOWED TO A PRIVATE MECHANIC AND WHO CONFIRMED THAT THE FUEL PUMP FAILED. THE MANUFACTURER WAS CONTACTED AND CONFIRMED THE VIN DID NOT QUALIFY FOR NHTSA RECALL CAMPAIGN ID NUMBER :08V251000(FUEL SYSTEM, DIESEL). THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 155,000.
Mileage: 155,000
Compare 2006GMCW4500 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2006 GMC W4500 have?▼
The 2006 GMC W4500 has 3 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
Are there any recalls for the 2006 GMC W4500?▼
Yes, the 2006 GMC W4500 has 3 recall(s). The most common affected component is FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2006 GMC W4500?▼
The most-complained component for the 2006 GMC W4500 is FUEL SYSTEM, DIESEL with 1 complaints. Other frequently reported areas include ELECTRICAL SYSTEM and FUEL/PROPULSION SYSTEM.
Is the 2006 GMC W4500 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.