2007 Hummer H3: Reliability Data

Source: NHTSA — 331 complaints
331
Total Complaints
83,139mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
21
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

56,050 25th Percentile
83,139 Median Mileage
117,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
68
ENGINE
44
UNKNOWN OR OTHER
25
VISIBILITY/WIPER
24
POWER TRAIN
16
AIR BAGS
15
STRUCTURE:BODY
12
ELECTRONIC STABILITY CONTROL (ESC)
12
FUEL/PROPULSION SYSTEM
11
ENGINE AND ENGINE COOLING
10

Severity Assessment

21
Crashes
23
Fires
23
Injuries
0
Deaths

Sample Complaint Reports

"I OWN A 2007 HUMMER H3. DRIVING HOME IN A SNOWSTORM LAST NIGHT, THE WIPERS STOPPED WORKING. I CALLED THE DEALER AND HAD THE CAR TOWED TO THE DEALERSHIP. THEY TELL ME THAT SINCE THE AREA AROUND THE WIPER BLADES IS SO LARGE, THIS SHOULD BE EXPECTED AND THAT THEY HAD SEVERAL OTHER CALLS ON THE SAME ..."
"TL*- THE CONTACT OWNS A 2007 HUMMER H3 STATED THAT BETWEEN THE GAS PEDAL AND BRAKE THERE IS NOT ENOUGH ROOM FOR HIM TO NAVIGATE THE TWO PEDALS BECAUSE WHEN HE PUT HIS FOOT ON THE GAS PEDAL IT CAUGHT THE BRAKE PEDAL AND IT CAUSES HIM DIFFICULTY IN OPERATE THE VEHICLE PROPERLY. THE CURRENT AND FAILU..."
"I WAS DRIVING MY 2007 H3 ON THE GARDEN STATE PARKWAY WHEN MY 3 YEAR OLD DAUGHTER OPENED UP THE LOCK ON THE REAR DOOR AND THEN PROCEEDED TO OPEN IT WHEN I WAS TRAVELING 65 MPH. THIS CAR IS NOT EQUIPPED WITH CHILD SAFETY LOCKS. I INFORMED THE DEALERSHIP AND WAS TOLD THAT NOTHING COULD BE DONE TO CORRE..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28