Before you buy
This 2007 Hummer H3 has 236 NHTSA complaints — top issue: Electrical Faults.
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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2007 Hummer H3 Fuel Economy
✓ EPA Official DataEPA-rated fuel economy across 2 2007 Hummer H3 trim configurations. The median figure is shown; range reflects all available trims.
Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.
2007 Hummer H3 Safety Ratings
NHTSA 5-Star Program2 variants tested — showing 2007 Hummer H3 4-DR w/SABOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not Rated24.6% rollover risk
Frontal Crash
Not RatedSide Crash
Not RatedRollover
24.6% probability
Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
Based on NHTSA complaint data, the 2007 Hummer H3 has 236 owner complaints, 12 crash-related complaints, and 2 recall campaigns on record. The most frequently reported component is Electrical Faults. NHTSA reliability signal: Severe Issues.
- Make
- Hummer
- Model
- H3
- Model year
- 2007
- NHTSA owner complaints
- 236
- Crash-related complaints
- 12
- Safety recall campaigns
- 2
- Top reported component
- Electrical Faults
- Reliability signal
- Severe Issues
- EPA MPG combined
- 15
- EPA MPG city / highway
- 14 / 18
- Fuel type
- Regular Gasoline
- NHTSA rollover rating
- 3/5 stars
- Electronic stability control
- Standard
Common problems
Most common 2007 Hummer H3 problems
Top owner-reported complaint areas and where they often appear.
Electrical Faults
Engine Problems
Uncategorized Issues
Complaint patterns center on Electrical Faults, Engine Problems, Uncategorized Issues. 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 2007 Hummer H3?
This HUMMER H3 year shows a meaningful number of reported issues, so buyers should only proceed after a careful records review and inspection.
Model-year complaint trends can reveal recurring trouble spots before you spend money on inspections, financing, or repairs.
May Suit
This year may suit buyers who prioritize complete maintenance records and pass a pre-purchase inspection.
May Want to Avoid
Buyers who want a lower-risk ownership profile may prefer comparing nearby model years before committing.
Pre-purchase
What to check before buying a used 2007 Hummer H3
Inspection Focus
- Inspect the most frequently reported complaint components on this model year
- Confirm recall repairs were completed and documented
- Check for accident damage, title brands, and mileage inconsistencies on the exact VIN
Before You Close the Deal
- Run a VIN check on the specific vehicle you are considering
- Verify all open recalls are completed at nhtsa.gov/recalls
- Request service records for the most-reported complaint components
- Have a certified mechanic inspect the vehicle before purchase
Check the exact car
Shortlist with model-year data. Decide with the exact VIN.
Before buying a used 2007 Hummer H3, 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
The HUMMER H3 has 236 NHTSA complaints and 2 recalls on record. 12 complaints involve crash-related incidents. This data reflects owner-reported issues submitted to the National Highway Traffic Safety Administration.
Recall context: 2 recall campaigns are on record, so recall completion status should be confirmed on the exact VIN before purchase.
- 236 total complaints filed with NHTSA
- 2 federal recall campaigns
- 12 crash-related complaints on record
- Review NHTSA complaint history for the most-reported components
- Check recall completion status at nhtsa.gov/recalls
- Verify service records for frequently complained components
Full breakdown
All 2007 Hummer H3 complaints by category
Every owner-reported complaint category filed with NHTSA for the 2007 Hummer H3. Use this as a pre-purchase inspection checklist.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 75 | 1 | 13 | — | |
| Engine Problems | 57 | 1 | 3 | — | |
| Uncategorized Issues | 25 | 2 | 1 | — | |
| Visibility/Wiper | 24 | — | — | — | |
| Structural Problems | 21 | 1 | — | — | |
| Visibility | 20 | — | 3 | — | |
| Transmission / Drivetrain | 19 | — | — | — | |
| Airbag Malfunctions | 19 | 9 | 1 | — | |
| Electronic Stability Control (Esc) | 12 | 1 | — | — | |
| Fuel/Propulsion System | 11 | — | — | — | |
| Brake System | 10 | 2 | 1 | — | |
| Equipment | 9 | — | 1 | — | |
| Suspension Failures | 5 | 2 | — | — | |
| Steering Defects | 5 | 1 | — | — | |
| Unintended Acceleration | 4 | — | — | — | |
| Seat-Related Issues | 4 | — | — | — | |
| Hydraulic | 4 | — | 1 | — | |
| Tire Issues | 3 | — | — | — | |
| Seat Belt Issues | 2 | 1 | — | — | |
| Headlight/Taillight Failures | 2 | — | — | — | |
| Door Lock Issues | 2 | — | — | — | |
| Equipment Adaptive/Mobility | 1 | — | — | — | |
| Fuel System | 1 | — | — | — | |
| Gasoline | 1 | — | — | — | |
| Traction Control System | 1 | — | — | — |
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 2007 Hummer H3. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Odometer Fraud. The contact purchased a 2007 Hummer H3. The contact discovered that there was a mileage discrepancy. The vehicle was an independent dealer sale. At the time of purchase, the vehicle mileage was 122,791 and at the time of registration, it was discovered that the mi…
The problem was unknown to me and probably would be to any vehicle owner that is not a mechanic. I was driving a death trap and didn't know how easily it could have been a serious problem. The driver side leaf spring bracket had completely broke apart from the frame on the upper …
Louver hood vent cover flew off on the highway as I was driving.
The contact owns a 2007 Hummer H3. The contact stated that while driving at various speeds, the hood louvers loosened without warning. Upon investigation, the contact discovered NHTSA Campaign Number: 10V179000 (Structure) which he linked to the failure. The dealer was notified o…
I have the well known issue with the passkey security system. Nothing is wrong mechanically with the car but the security system will not allow the truck to start, therefore leaving me randomly leaving me stranded. Much has been documented on this issue, yet gm has never done a r…
So the part that is a malfunction is the rear doors weren’t made with any child lock and of course one of my kids opened the door while i was driving on the highway.I have a 3 and 5 year old and it scared me so bad I had to hurry and pull the hummer over and park and just held my…
The (2) u-joints , upper and lower, in the steering column were failing and the front wheels would not return to straight. According to the shop that replaced the u-joints they had failed. This is the second H3 with the same problem.
I bought my 2007 hummerh3 used w/124,000 miles. I've had it a month and already had it in mechanic shop due to not starting. The mechanic thought it was a fuel relay and charged me 258.00 parts/labor/tow. Today 11-16-21, only a day after I got it back, it stopped on me again!! Ju…
Sunroof leaks & drain's don't work , my heart wiring plug has melted , do to water my car worning lights all were flashing then dash lights & speedometer all crashed and soon as I parked would not start. I took a dehumidifier put it in the shop and dried it out then everything wo…
The contact owns a 2007 Hummer H3. The contact stated while driving at 50 mph, the vehicle started to overheat and stalled. The contact stated the temperature and the check engine warning light were illuminated. The vehicle was then towed to a local dealer where it has yet to be …
IGNITION SWITCH STAYS ON WITH KEY OFF AND OUT AND ALARM GOES OFF SOMETIMES JUST SITTING AND BATTERY GOES DEAD
ON 3/13/2020 MY WIFE WAS DRIVING OUR 2007 HUMMER H3 WHEN THE ENGINE COMPARTMENT AND DASH AREA CAUGHT ON FIRE. THE BLOWER MOTOR CONNECTOR MODULE HAD BEEN REPLACED RECENTLY AS PART OF A SAFETY RECALL. THE VEHICLE WAS IN MOTION AND SHE HAD JUST MADE A LEFT TURN. ALTHOUGH THE PART…
VEHICLE MISFIRES FREQUENTLY. ENGINE WILL NEARLY STALL AT IDLE DUE TO MISFIRES AND SHAKE THE WHOLE VEHICLE. LACK OF POWER AND EFFICIENCY. AND JUDDERING WHILE ACCELERATING. IT IS KNOWN TO GM AND MANY PEOPLE HAVE HAD TO RESORT TO CYLINDER HEAD REPLACEMENTS COSTING HUNDREDS AT A MINI…
HOOD VENT IS LOOSE&COMING OFF.
OIL LIGHT COMES ON WHEN IDLE. TRUCK LOSES PRESSURE. NO DEALERSHIP SOLUTION.
WITH NO WARNING LIGHTS OR SIGNS, H3 WOULDN'T ACCELERATE WHILE PRESSING THE GAS.
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WATER ENTERED THE VEHICLE FROM THE SUN ROOF ASSEMBLY. THE CONTACT STATED THAT WHILE VACUUMING WATER OUT OF THE VEHICLE, THE AIR BAGS IN THE VEHICLE DEPLOYED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MEC…
TL* THE CONTACT OWNS A 2007 HUMMER H3. THE CONTACT STATED THAT WHILE DRIVING, THE POWER REDUCTION AND STABILITY CONTROL WARNING LIGHTS ILLUMINATED. THE VEHICLE DECELERATED INDEPENDENTLY. THE VEHICLE WAS PULLED OVER AND RESTARTED. THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO JIM…
THE TUBULAR FRAME HAD WHAT LOOKS LIKE COLD SLUGS WELDS AT SEVERAL JOINT LOCATIONS THAT ALLOWED WATER TO ENTER AND RUST FROM THE INSIDE OUT. THE FRAME CAN BE PUSHED THROUGH WITH A FINGER. THE FRAME SPRINGS BROKE WHILE DRIVING DOWN THE ROAD DROPPING THE FUEL TANK THROUGH THE GAS T…
TL* THE CONTACT OWNS A 2007 HUMMER H3. WHILE DRIVING 35 MPH, THE ENGINE OIL INDICATOR ILLUMINATED AND AN ODOR EMITTED FROM THE VEHICLE. THE CONTACT REPLACED THE OIL AND TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE IT WAS DISCOVERED THAT THERE WAS A SMALL HOLE IN THE MANIFOLD…
Source: NHTSA Complaints Database. Real owner reports for the 2007 Hummer H3.
Safety recalls
2007 Hummer H3 recalls
2 campaignsNHTSA recall campaigns for the 2007 Hummer H3. 2 recall campaigns are on record, so recall completion status should be confirmed on the exact VIN before purchase. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
STRUCTURE:BODY:HOOD
Research more
Keep researching before you buy
Compare brands and categories, then check the exact car's history by VIN.
Questions
2007 Hummer H3 buying FAQ
Buyer-focused answers based on real NHTSA complaint and recall data for this model year.
Is the 2007 Hummer H3 reliable?▾
Severe Issues. NHTSA currently shows 236 owner complaints, 12 crash-related complaints, and 2 recall campaigns for this model year. This HUMMER H3 year shows a meaningful number of reported issues, so buyers should only proceed after a careful records review and inspection. 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 2007 Hummer H3?▾
#1: Electrical Faults (75 complaints). #2: Engine Problems (57 complaints). #3: Uncategorized Issues (25 complaints)
At what mileage do problems start on the 2007 Hummer H3?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2007 Hummer H3?▾
Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2007 Hummer H3, NHTSA complaints include 12 crash-related reports and 17 fire reports out of 236 total complaints. 19 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.
Does the 2007 Hummer H3 have any recalls?▾
Yes. 2 NHTSA recall campaigns affect the 2007 Hummer H3. A major recall area is VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. 2 recall campaigns are on record, so recall completion status should be confirmed on the exact VIN before purchase. Always verify open recalls by VIN because completion status varies by vehicle.
Should I buy a 2007 Hummer H3?▾
This HUMMER H3 year shows a meaningful number of reported issues, so buyers should only proceed after a careful records review and inspection. Model-year complaint trends can reveal recurring trouble spots before you spend money on inspections, financing, or repairs. Pay extra attention to Electrical Faults 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 VinSpector AI.
Wider context: See the full Hummer H3 reliability report with year-by-year comparison.
Owner Reliability Rating
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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.