2006 Hummer H3 reliability record
Every consumer complaint and recall the U.S. government (NHTSA) has on file for the 2006 Hummer H3 — the repair risk behind the ownership cost.
- NHTSA complaints
- 470
- 29 in the last 5 years
- Top problem area
- ELECTRICAL SYSTEM
- 90 complaints
- Recalls on record
- 2
- see below
- Reported harm
- 11 reported crashes · 10 injuries · 1 death · 34 fires
How this record compares
raw NHTSA counts, not defect ratesComplaint rank
#1,110
of 4,194 vehicle records
Vs Hummer median
+284
median 186 across 5 Hummer records
Vs 2004-2008
+195
median 275 complaints in 883 records
Top component share
19%
Electrical System: 90 complaints
What owners report fails — 2006 Hummer H3
- ELECTRICAL SYSTEM 90
- ENGINE 52
- VISIBILITY/WIPER 29
- UNKNOWN OR OTHER 28
- ENGINE AND ENGINE COOLING 26
2 recalls on record for the 2006 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 2006 Hummer H3
A vehicle's complaint record hints at the repair and maintenance budget you'll need. Add your state, purchase price, and mileage to the TCO calculator for the full picture.
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 2006 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. Data as of 2026. Source: NHTSA Office of Defects Investigation (public domain).
Frequently asked questions
Is the 2006 Hummer H3 reliable?
NHTSA has 470 consumer complaints on record for the 2006 Hummer H3 and 2 recalls. The most-reported problem area is electrical system (90 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2006 Hummer H3 units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2006 Hummer H3?
Owners most often report problems with: electrical system (90), engine (52), visibility/wiper (29), unknown or other (28). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2006 Hummer H3?
Ownership cost depends on your state taxes, insurance, fuel, and the maintenance the vehicle's reliability record implies. Use the CarOutlay 5-year TCO calculator to estimate the full cost including the repair risk this complaint record suggests.