2006 Hummer H2 Problems

Severe Issues

The 2006 HUMMER H2 has 25 NHTSA complaints and 5 recalls, with engine problems leading the concerns. Based on 25 real NHTSA owner complaints, with Engine Problems the most reported area.

20055 years2007

Before you buy

This 2006 Hummer H2 has 25 NHTSA complaints β€” top issue: Engine Problems.

A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.

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25
Complaints
3
Crashes
1
Fires
5
Injuries
β€”
Fatalities
5
Recalls

2006 Hummer H2 Safety Ratings

NHTSA 5-Star Program

Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.

Overall

Not Rated

Frontal Crash

Not Rated

Side Crash

Not Rated

Rollover

Not Rated
β—‹Stability Control: Noβ—‹Forward Collision Warning: Noβ—‹Lane Departure Warning: No

Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.

Quick Answer

HUMMER H2 2006 has 25 NHTSA complaints, with engine problems (7) and electrical faults (5) most common. It also has 5 recalls. Buyers should inspect these systems before purchase. Source: NHTSA owner complaints and recall records.

2006 Hummer H2 β€” key reliability facts
Make
Hummer
Model
H2
Model year
2006
NHTSA owner complaints
25
Crash-related complaints
3
Safety recall campaigns
5
Top reported component
Engine Problems
Reliability signal
Severe Issues
Electronic stability control
No

Common problems

Most common 2006 Hummer H2 problems

Top owner-reported complaint areas and where they often appear.

#1
7
complaints

Engine Problems

#2
5
complaints

Electrical Faults

Fires:1
Injuries:1
#3
4
complaints

Suspension Failures

Crash-related:1
Injuries:2

Complaint patterns center on Engine Problems, Electrical Faults, Suspension Failures. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Buyer verdict

Should you buy a used 2006 Hummer H2?

The 2006 HUMMER H2 may be worth considering only if you are prepared for potential engine and electrical issues. The low complaint count limits reliability, so a detailed inspection is essential.

Engine and electrical problems can lead to costly repairs and safety concerns, making pre-purchase checks critical.

May Suit

This year may suit buyers seeking a rugged off-road SUV who are willing to invest in maintenance and inspections.

May Want to Avoid

Buyers wanting a reliable daily driver with minimal repair costs should avoid this year.

Pre-purchase

What to check before buying a used 2006 Hummer H2

Inspection Focus

  • Inspect engine for signs of stalling, misfires, or oil leaks.
  • Check electrical system for battery, alternator, and wiring issues.
  • Examine suspension components for wear or damage.

Before You Close the Deal

  • Have a mechanic inspect the engine for common issues.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for engine, electrical, and suspension repairs.
  • Test drive to check for steering or brake anomalies.

Check the exact car

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2006 Hummer H2, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

AI verdict

What the complaint data suggests

Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology

Based on NHTSA complaint data, the 2006 HUMMER H2 shows a low-confidence pattern of engine problems (7 complaints), electrical faults (5), and suspension failures (4). With 5 recalls and 3 crash-related complaints, buyers should prioritize a thorough pre-purchase inspection. Source: NHTSA owner complaints and recall records.

Year context: Only the 2006 model year was analyzed, so no direct comparison to other years is available.

Recall context: With 5 recalls, verifying all recall repairs are completed is essential before purchase.

Key Findings
  • Engine problems account for 7 of 25 total complaints.
  • Electrical faults are the second most reported issue with 5 complaints.
  • Suspension failures and brake system issues each have 4 complaints.
Top Concerns
  • Engine Problems (7 complaints)
  • Electrical Faults (5 complaints)
  • Suspension Failures (4 complaints)
Data note: NHTSA complaints are consumer-submitted and do not confirm a manufacturing defect. Low complaint count (25) reduces confidence in the data's representativeness.

Full breakdown

All 2006 Hummer H2 complaints by category

Every owner-reported complaint category filed with NHTSA for the 2006 Hummer H2. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Engine Problems7β€”β€”β€”
Electrical Faults5β€”1β€”
Suspension Failures41β€”β€”
Brake System4β€”β€”β€”
Steering Defects3β€”β€”β€”
Uncategorized Issues2β€”β€”β€”
Seat-Related Issues2β€”1β€”
Airbag Malfunctions22β€”β€”
Fuel System2β€”β€”β€”
Gasoline2β€”β€”β€”
Visibility/Wiper2β€”β€”β€”
Hydraulic2β€”β€”β€”
Transmission / Drivetrain2β€”β€”β€”
Visibility1β€”β€”β€”
Wheel Issues1β€”β€”β€”
Seat Belt Issues1β€”β€”β€”
Equipment11β€”β€”
Interior Lighting1β€”β€”β€”

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

In their words

Real owner complaints

Read what owners actually reported to NHTSA for the 2006 Hummer H2. Type a keyword (e.g. β€œtransmission”, β€œstalling”, β€œbrakes”) to filter.

Showing 25 most recent complaints

Electrical FaultsJun 2, 2025

The contact owns a 2006 Hummer H2. The contact stated while driving and activating the blower motor, the blower motor was intermittently inoperable. The contact stated that an abnormal electrical burning odor was coming from the vehicle. The contact stated that upon activation, t…

Electrical FaultsMay 21, 2024

The contact owns a 2006 Hummer H2. The contact stated while driving at undisclosed speeds with the A/C activated, the contact became aware of an abnormal burning electrical odor. No warning lights were illuminated. The vehicle was taken to an independent mechanic where it was dia…

Steering DefectsJul 22, 2019

THE OTHER DAY I TOOK A RIDE IN MY TRUCK AND UPON DRIVING APPROXIMATELY TWO BLOCKS FROM MY HOME THE STEERING CONTROL OF THE CAR TOTALLY FAILED. IMAGINE DRIVING YOUR CAR AND AT SOME POINT, YOU LOSE THE CAPABILITY OF CONTROLLING YOUR CARS DIRECTION WHILE HOLDING YOUR STEERING WHEEL.…

Seat Belt IssuesFeb 19, 2019

SALESMAN MR LAWRENCE SAID THAT THEY COULD NOT SELL A VEHICLE WITH SEAT BELTS THAT DID NOT WORK THE DRIVERS SIDE REAR WAS NOT REPAIRED AS STATED. I TOOK DELIVERY OF THE USED VEHICLE 2-18-19 AT 0800 APPROXIMATELY

Uncategorized IssuesMar 15, 2018

EXHAUST LEAKING BECAUSE MANIFOLD BOLTS BROKEN , THIS IS MY SECOND HUMMER , MY LAWYER HAS A HUMMER ALSO AND I BELONG TO HUMMER GROUP HERE IN FLORIDA

Uncategorized IssuesMar 15, 2018

EXHAUST BOLTS BROKEN , LEAKING EXHAUST FUMES INTO VEHICLE , ENGINE FIRE ???? CITY DRIVING

Electrical Faults FireAug 7, 2016

VEHICLE HAD BEEN DRIVEN APPROXIMATELY 2 MILES FROM START TIME, WAS STATIONARY AND UNOCCUPIED FOR APPROXIMATELY 10-25 MINUTES. VEHICLE INTERIOR CAUGHT FIRE AT THE BASE OF THE TOP SITTING AREA OF THE REAR SEAT, FLAMES FROM FIRE MELTED THE OVER HEAD INTERIOR LIGHT AND IGNITED A FIR…

Brake SystemNov 4, 2015

TL* THE CONTACT OWNS A 2006 HUMMER H2. THE CONTACT STATED THAT THE BRAKE LINES WERE CORRODED, WHICH CAUSED THEM TO RUPTURE AND LEAK. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS 111,000.

Brake SystemOct 27, 2015

TL* THE CONTACT OWNS A 2006 HUMMER H2. THE CONTACT STATED THAT THE BRAKE PEDAL WAS APPLIED MORE THAN ONCE AND IT TRAVELED TO THE FLOORBOARD. WHILE DRIVING AT 60 MPH, THE FRONT PASSENGER SIDE BRAKE LINE WAS RUSTED AND FRACTURED. AS A RESULT, THE VEHICLE WAS DIFFICULT TO MANEUVER. …

Airbag Malfunctions CrashApr 3, 2014

TL* THE CONTACT OWNS A 2006 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING AT AN UNKNOWN SPEED, THE CONTACT CRASHED INTO A TREE AND THE VEHICLE WAS DESTROYED. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE LEFT ARM AND CHEST. A POLICE REPORT WAS FILED AT T…

Engine ProblemsOct 29, 2013

CHECK ENGINE LIGHT CAME ON AND WOULDN'T GO OUT. TOOK IT TO THE GARAGE AND THEY PULLED UP THE CODE PO442, EVAP LEAK. THEY DID A SMOKE TEST AND FOUND OUT THE FUEL PUMP UNIT WAS ALL RUSTED OUT AND ALSO THE STRAPS HOLDING THE FUEL TANK IN WAS ALL RUSTED OUT. ONE OF THE STRAPS WAS COM…

Engine ProblemsJul 11, 2013

1. NORMAL DRIVING IN TOWN AND HIGHWAY 2. FAILURE OF THE DRIVERS SIDE & PASSENGER SIDE EXHAUST MANIFOLD BOLTS; CAUSES EXHAUST GASES TO FILL ENGINE COMPARTMENT AND BYPASSES THE CATALYTIC EMISSIONS EQUIPMENT. 3. DRIVERS SIDE HEAD HAD TO BE REMOVED, BROKEN MANIFOLD BOLTS EXTRACTED FR…

Visibility/WiperMay 30, 2013

TL* THE CONTACT OWNS A 2006 HUMMER H2. THE CONTACT STATED THAT THE REAR DRIVER'S SIDE WINDOW FELL INTO THE DOOR PANEL. THE VEHICLE WAS TAKEN TO THE DEALER, WHO STATED THAT THE WINDOW REGULATOR ASSEMBLY NEEDED TO BE REPLACED. THE CONTACT DID NOT HAVE THE WINDOW REGULATOR ASSEMBLY …

Electrical FaultsOct 30, 2012

AT FIRST THE WASHERS JUST KEPT SPRAYING AND WOULDN'T STOP. I HAD TO TAKE OUT THE FUSE TO GET IT TO STOP. I RECENTLY PUT THE FUSE BACK IN AND NOW IT WON'T WORK. THE WASHERS WILL JUST START SPRAYING OUT OF THE BLUE AND THIS IS VERY DANGEROUS IF YOU ARE DRIVING DOWN THE ROAD AND YOU…

Fuel SystemFeb 22, 2012

HEAVY FUMES ARE PRESENT INSIDE AND OUTSIDE THE VEHICLE AFTER THE FUEL TANK IS FILLED AND PERSISTS UNTIL THE FUEL GAUGE READS 7/8 OF A TANK. HAVE NOT DETERMINED WHAT IS CAUSING THE FUMES OTHER THAN IT ONLY HAPPENS WHEN THE FUEL TANK IS FULL. CURRENT SOLUTION IS TO NOT FILL UP TH…

Engine ProblemsJul 18, 2011

2006 HUMMER H2 SUT 6.0 LITER ENGINE EXHAUST MANIFOLD BOLTS BROKEN OFF. *KB

Airbag Malfunctions CrashApr 28, 2010

TL*THE CONTACT OWNS A 2006 HUMMER H2T. WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE WAS HIT BY ANOTHER VEHICLE ON THE FRONT DRIVER SIDE. NONE OF THE AIR BAGS DEPLOYED AND THE ON-STAR SYSTEM DID NOT ACTIVATE. THE VEHICLE HAD NOT BEEN INSPECTED AT THE TIME OF THE COMPLAINT BU…

Engine ProblemsAug 18, 2009

1. NORMAL DRIVING IN TOWN AND HIGHWAY 2. FAILURE OF THE DRIVERS SIDE EXHAUST MANIFOLD BOLTS; CAUSES EXHAUST GASES TO FILL ENGINE COMPARTMENT AND BYPASSES THE CATALYTIC EMISSIONS EQUIPMENT. *TR 3. DRIVERS SIDE HEAD HAD TO BE REMOVED, BROKEN MANIFOLD BOLTS EXTRACTED FROM THE HEAD…

Steering DefectsAug 8, 2009

STEERING IS VERY SLOPPY AND VAGUE AT HIGHER SPEEDS. THERE IS TOO MUCH NON ACTIVE MOVEMENT TO CORRECT DIRECTION. I HAVE TO MOVE THE STEERING WHEEL AT LEAST 6 INCHES CONSTANTLY TO EVEN KEEP THE TRUCK STRAIGHT. I HEAR GM HAS WEAK PITMAN ARMS ETC.. ALSO THE STEERING JUDDERS AND V…

Steering DefectsAug 7, 2009

I PURCHASED A 2006 HUMMER H2 AT CERRITOS HUMMER. I CURRENTLY HAVE ALMOST 55,000 MILES. TODAY I WAS PARKING MY CAR AND NOTICED THE STEERING WAS EXTREMELY HARD TO TURN. ALSO THE BRAKES WERE REALLY WEAK. I USED ALL THE ENERGY I HAD TO GET INTO A GAS STATION DRIVEWAY. I DROVE AB…

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Source: NHTSA Complaints Database. Real owner reports for the 2006 Hummer H2.

Safety recalls

2006 Hummer H2 recalls

5 campaigns

NHTSA recall campaigns for the 2006 Hummer H2. With 5 recalls, verifying all recall repairs are completed is essential before purchase. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

Safety recall

ELECTRICAL SYSTEM

#08V441000ELECTRICAL SYSTEM28/08/2008
Safety recall

ELECTRICAL SYSTEM

#10V240000ELECTRICAL SYSTEMApr 6, 2010
Safety recall

STEERING

#06E010000STEERINGJan 2, 2006
Safety recall

STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

#05V455000STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONSMay 10, 2005
Safety recall

EQUIPMENT:OTHER:LABELS

#05V552000EQUIPMENT:OTHER:LABELSJul 12, 2005

Across model years

Compare Hummer H2 model years

Only the 2006 model year was analyzed, so no direct comparison to other years is available.

Research more

Keep researching before you buy

Compare brands and categories, then check the exact car's history by VIN.

Questions

2006 Hummer H2 buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2006 Hummer H2 reliable?β–Ύ

Severe Issues. NHTSA currently shows 25 owner complaints, 3 crash-related complaints, and 5 recall campaigns for this model year. The 2006 HUMMER H2 may be worth considering only if you are prepared for potential engine and electrical issues. The low complaint count limits reliability, so a detailed inspection is essential. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.

What are the most common problems with the 2006 Hummer H2?β–Ύ

#1: Engine Problems (7 complaints). #2: Electrical Faults (5 complaints). #3: Suspension Failures (4 complaints)

At what mileage do problems start on the 2006 Hummer H2?β–Ύ

Mileage data is not available or insufficient for this model year.

How safe is the 2006 Hummer H2?β–Ύ

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2006 Hummer H2, NHTSA complaints include 3 crash-related reports and 1 fire reports out of 25 total complaints. 5 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2006 Hummer H2 have any recalls?β–Ύ

Yes. 5 NHTSA recall campaigns affect the 2006 Hummer H2. A major recall area is ELECTRICAL SYSTEM. With 5 recalls, verifying all recall repairs are completed is essential before purchase. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2006 Hummer H2?β–Ύ

The 2006 HUMMER H2 may be worth considering only if you are prepared for potential engine and electrical issues. The low complaint count limits reliability, so a detailed inspection is essential. Engine and electrical problems can lead to costly repairs and safety concerns, making pre-purchase checks critical. Pay extra attention to Engine Problems during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpectorAI.

Wider context: See the full Hummer H2 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2006 Hummer H2 based on your ownership experience.

Add your rating:

Ratings are based on owner experience and are separate from NHTSA data shown above.

Before you buy

Check the exact vehicle history before you buy

Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.