2007 Hummer H3 problems
Owners have filed 332 complaints about the 2007 Hummer H3 with NHTSA. Electrical system accounts for 22.9% of them — the clear leader, ahead of engine at 13.3%.
Complaints332
Crashes21
Fires24
Injuries23
Deaths0
What owners report breaking
Electrical system 22.9% · 76
Engine 13.3% · 44
Unknown or other 7.5% · 25
Visibility/wiper 7.2% · 24
Structure 6.6% · 22
Visibility 6.0% · 20
Air bags 5.7% · 19
Power train 5.7% · 19
Severity
Of those complaints, 21 describe a crash, 24 describe a fire and 23 report an injury.
Reading the numbers
Across the 3 model years of the Hummer H3 in this data, 2007 ranks 2nd by complaint volume — 2006 draws the most.
Filings have fallen off, 3 in the last three years against 16 in the three before. That is normal as a generation leaves the road.
The median odometer reading at the time of complaint was 84,278 miles.
In owners' own words
The contact owned a 2007 Hummer H3. While driving 25 mph, the contact noticed fire under the glove box. The contact coasted the vehicle over to the side of the road and exited the vehicle. The vehicle caught fire. The fire department extinguished the fire. A police report was not filed. The vehicle was destroyed. The manufacturer was not notified of the failure. The approximate failure mileage was 140,000. Electrical system · reported at 140,000 miles
The contact owns a 2007 Hummer H3. While attempting to start the vehicle, the starter failed to start the vehicle. After the first attempt to start the vehicle, the contact had to wait up to ten minutes before attempting to start the vehicle again. The failure recurred. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 121,642. Electrical system · reported at 121,642 miles
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 mileage was 122,799 but additional documents also showed that the mileage was unchanged over a 3-year period. Electrical system · reported at 122,799 miles
Verbatim from NHTSA filings. Complaints are unverified owner reports.
Safety recalls
Checking NHTSA for open recalls…