2006 Hummer H3 Base
5GTDN136868115005
Vehicle history report for the 2006 Hummer H3 Base (VIN 5GTDN136868115005). Red, sport utility vehicle [suv]/multipurpose vehicle [mpv], 3.5L 5-cyl, gasoline. 85,025 mi reported. Registered in Pa. No open recalls. Unlock full title, salvage, lien & accident history.
At a glance
Vehicle identity & specifications
What's a 2006 Hummer H3 worth?
What comparable 2006 Hummer H3 vehicles are listed for — a quick gut-check before you negotiate.
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See this car's exact value →Full vehicle history report
What a full report checks for VIN 5GTDN136868115005
A full report searches national title databases (NMVTIS) and licensed history providers for this VIN and shows whatever records are on file — not every vehicle has every record type. The decode, safety recalls and owner complaints above are always free.
Safety recalls None found
No open NHTSA recall campaigns were found for this 2006 HUMMER H3.
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Common problems & what to inspect
Based on 362 owner complaints filed with NHTSA for the 2006 Hummer H3, here are the most-reported problem areas — and exactly what to check before you buy.
🔍 Listen for knocks or ticking, check for leaks and blue/white exhaust smoke, and make sure it doesn't overheat. No check-engine light should be on.
🔍 Listen for clunks over bumps, check the car sits level, and look for uneven tire wear and worn shocks or struts.
🔍 Drive through every gear: watch for slipping, hard or delayed shifts, and shudder. Check for transmission/driveline leaks and noises.
🔍 Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
🔍 Inspect for rust, fresh undercoating, mismatched paint, uneven panel gaps and any sign of prior collision or frame repair.
🔍 Check coolant level and color, look for leaks, and confirm the engine reaches normal temperature without overheating.
Pre-purchase checklist
- Match the VIN on the dash, door jamb and title — they must be identical.
- Cold-start the engine; listen for knocks and check for blue or white exhaust smoke.
- Test-drive through all gears at low and highway speed — no slipping, shudder or pulling.
- Confirm every warning light clears at startup (none should stay on).
- Check fluids — oil, coolant, transmission — for level, color and leaks.
- Look underneath for rust, fresh undercoating or signs of collision repair.
- Always get an independent pre-purchase inspection from a trusted mechanic.
Owner complaints 362
Complaints filed with NHTSA by owners of the 2006 Hummer H3.
ELECTRICAL SYSTEM
Theses templates dosent recognize the key and kicks on the security system which stops the motor from turning on. So you are stuck for 10 minutes then you can try again all so sometimes the motor tries to turn on by just sticking the key in the ignition before you even turn it. By looking at youtube alot of the H3s and the Colorados do this
NHTSA ODI #11751883STRUCTURE,ENGINE AND ENGINE COOLING
The contact owns a 2006 Hummer H3. The contact stated that the frame was rusted on the driver's side. The check engine warning light was illuminated. The contact looked underneath the vehicle and was able to see through the subframe. The contact also noticed cracks in sub frame. The contact was concerned about driving the vehicle. The vehicle was taken to a…
NHTSA ODI #11710957UNKNOWN OR OTHER,ENGINE
The blower resistor and harness needs replaced it looks like it caught fire or default
NHTSA ODI #11698835UNKNOWN OR OTHER
I was trying to get away from a stranger that was following me that was threatening and scary and when I got in the my Hummer h3 it wouldn't start its the ANTI THEFT that's thinking the car is being stolen this is happened several times of the car not starting i went to Google and YouTube and there's hundreds of videos complaining and giving instructions on…
NHTSA ODI #11679484ELECTRICAL SYSTEM,ENGINE
On the electrical, I refer to my air conditioning and heater. When I have my air selection to coldest and I drop 1 click for it to be less cool, my heater turns on and at times it smells like something burning. I have to turn it off . On the engine, after I hit 90,000 miles, I have to fill up my engine oil every 2-3 weeks because my vehicle is burning it qui…
NHTSA ODI #11633569SUSPENSION
Was driving this vehicle about 45 mph and began to shake violently. Was able to get it slowed down and back under control. Happened two more times on my drive home and took it to an auto repair shop today and found the frame is broken on both sides in front of rear leaf springs.
NHTSA ODI #11632836ENGINE
Was heading home from work and the 2006 Hummer H3 shut off while traveling in the middle of traffic was able to cruise in Nuetral until I could stop to start car again started car and yet again I receive a cylinder misfire code which has been repaired on multiple attempts still no success. I am going to end up either crashing or an emergency vehichle will be…
NHTSA ODI #11611276UNKNOWN OR OTHER
Sunroof leaking creating water to leak into the driver seat, passenger seat, speakers on the door. Water trickling down from the Onstar system while parked and in motion this is a safety hazard. The only resolution that is given from GM is to blow out the hose to the sunroof, that’s not helping this issue is creating mole into the vehicle and once again it’s…
NHTSA ODI #11610460+ 354 more complaints on record.






