2007 Hummer H3 reliability record
NHTSA consumer complaints and recall campaigns for the 2007 Hummer H3 from the dataset labeled 2026. The source file does not provide an exact snapshot date. Use the reported issues to guide further checks; these counts do not establish failure rates or repair costs.
- NHTSA complaints
- 331
- Dataset year: 2026; snapshot day not provided
- Top problem area
- ELECTRICAL SYSTEM
- 68 complaints
- Recalls on record
- 2
- see below
- Reported harm
- 21 reported crashes · 23 injuries · 23 fires
How this record compares
raw NHTSA counts, not defect ratesCounts are not adjusted for vehicles sold, time in service or reporting frequency. A larger count does not establish a higher chance of failure, and these comparisons do not set the maintenance budget in our calculator.
Complaint rank
#1,589
of 4,194 vehicle records
Vs Hummer median
+145
median 186 across 5 Hummer records
Vs 2005-2009
+62
median 270 complaints in 846 records
Top component share
21%
Electrical System: 68 complaints
What owners report fails — 2007 Hummer H3
- ELECTRICAL SYSTEM 68
- ENGINE 44
- UNKNOWN OR OTHER 25
- VISIBILITY/WIPER 24
- POWER TRAIN 16
2 recalls on record for the 2007 Hummer H3
- NHTSA 15V421000 · 2016 · VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTE If the blower motor connector module overheats, it can increase the risk of a fire.
- NHTSA 10V179000 · 2010 · STRUCTURE:BODY:HOOD IF THE VEHICLE IS BEING DRIVING WHEN THIS OCCURS, IT COULD STRIKE A FOLLOWING VEHICLE AND CAUSE INJURY AND/OR PROPERTY D
Estimate the 5-year cost to own a 2007 Hummer H3
Build a separate budget with your purchase price, insurance quote, mileage and maintenance estimate. Complaint counts do not enter that calculation. Unknown local taxes and fees stay listed as costs to confirm.
Open TCO calculatorThese are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated defect rates, and not adjusted for how many 2007 Hummer H3 units were produced or sold. High-volume and older vehicles naturally accumulate more complaints. Use this as one research signal, not a verdict on any individual vehicle. Dataset year: 2026; exact snapshot day not supplied. Source: NHTSA Office of Defects Investigation (public domain).
Frequently asked questions
Is the 2007 Hummer H3 reliable?
NHTSA has 331 consumer complaints on record for the 2007 Hummer H3 and 2 recalls. The most-reported problem area is electrical system (68 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2007 Hummer H3 units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2007 Hummer H3?
Owners most often report problems with: electrical system (68), engine (44), unknown or other (25), visibility/wiper (24). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2007 Hummer H3?
This complaint dataset does not measure repair prices or predict a maintenance budget for the 2007 Hummer H3. Use your purchase price, insurance quotes, fuel use and a maintenance estimate in the separate five-year cost calculator. It does not convert complaint counts into repair costs, and any unknown taxes remain excluded and clearly listed.