Complaints
74
Crashes
8
Fires
2
Injuries
6
Fatalities
—
Recalls
0
Worst 2004 Hummer H2 Problems
Top 3 most-reported issues with average mileage at failure.
#110 complaints
Electrical Faults
Avg mileage:95,187 mi
Fires:1
#28 complaints
Brakes
Avg mileage:87,487 mi
Fires:1
#36 complaints
Hydraulic Brakes
Avg mileage:37,003 mi
Crash-related:2
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All Problems by Category
Every NHTSA complaint category for the 2004 Hummer H2.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 10 | — | 1 | 95,187 mi | |
| Brakes | 8 | — | 1 | 87,487 mi | |
| Hydraulic Brakes | 6 | 2 | — | 37,003 mi | |
| Visibility | 5 | 1 | — | 94,660 mi | |
| Airbags | 3 | 1 | — | — | |
| Steering Defects | 3 | 1 | — | — | |
| Wipers & Visibility | 3 | — | — | — | |
| Instrument Cluster | 2 | — | — | — | |
| Electronic Stability Control | 2 | — | — | — | |
| Engine Problems | 2 | — | — | — | |
| Structure:Frame And Members | 2 | 1 | — | — | |
| Visibility:Windshield Wiper/Washer:Motor | 2 | — | — | — | |
| Electrical System:Ignition:Switch | 1 | — | — | — | |
| Electrical System:Instrument Panel:Speedometer/Odometer | 1 | — | — | — | |
| Engine & Cooling | 1 | — | — | — | |
| Equipment:Appliance:Air Conditioner | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Latches/Locks/Linkages:Hood:Latch | 1 | — | — | — | |
| Transmission / Drivetrain | 1 | — | — | — | |
| Automatic Transmission | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Seat-Related Issues | 1 | — | — | — | |
| Steering:Hydraulic Power Assist:Power Steering Fluid | 1 | — | — | — | |
| Steering:Linkages:Knuckle:Spindle:Arm | 1 | — | — | — | |
| Steering:Linkages:Tie Rod Assembly | 1 | 1 | — | — | |
| Structure:Body:Hood | 1 | — | — | — | |
| Suspension:Front | 1 | — | — | — | |
| Suspension:Front:Control Arm:Upper Ball Joint | 1 | 1 | — | — | |
| Suspension:Front:Springs:Leaf Spring Assembly:U-Bolt, Leaf Spring To Axle | 1 | — | — | — |
Electrical Faults
10
complaints
Crashes
—
Fires
1
Avg Miles
95,187
Brakes
8
complaints
Crashes
—
Fires
1
Avg Miles
87,487
Hydraulic Brakes
6
complaints
Crashes
2
Fires
—
Avg Miles
37,003
Visibility
5
complaints
Crashes
1
Fires
—
Avg Miles
94,660
Airbags
3
complaints
Crashes
1
Fires
—
Avg Miles
—
Steering Defects
3
complaints
Crashes
1
Fires
—
Avg Miles
—
Wipers & Visibility
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Instrument Cluster
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Electronic Stability Control
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine Problems
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Structure:Frame And Members
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Visibility:Windshield Wiper/Washer:Motor
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Ignition:Switch
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Instrument Panel:Speedometer/Odometer
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine & Cooling
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Equipment:Appliance:Air Conditioner
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Headlight/Taillight Failures
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Latches/Locks/Linkages:Hood:Latch
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Transmission / Drivetrain
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Automatic Transmission
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belt Issues
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat-Related Issues
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Hydraulic Power Assist:Power Steering Fluid
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Linkages:Knuckle:Spindle:Arm
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Linkages:Tie Rod Assembly
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Structure:Body:Hood
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension:Front
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension:Front:Control Arm:Upper Ball Joint
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Suspension:Front:Springs:Leaf Spring Assembly:U-Bolt, Leaf Spring To Axle
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2004 Hummer H2. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Hummer H2 Years
2004 Hummer H2 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2004 Hummer H2 reliable?
Verdict: Typical for Model. The 2004 Hummer H2 has 74 NHTSA complaints, 8 crash-related, and 0 recall campaigns. The most common issue is Electrical Faults with 10 complaints. Source: NHTSA via VinItel.
What are common problems with the 2004 Hummer H2?
Top reported problems: Electrical Faults (10 complaints, avg 95,187 mi); Brakes (8 complaints, avg 87,487 mi); Hydraulic Brakes (6 complaints, avg 37,003 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2004 Hummer H2?
The weighted average mileage at time of complaint is about 80,934 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2004 Hummer H2?
NHTSA complaints for the 2004 Hummer H2 include 8 crash-related reports, 2 fire reports, 6 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2004 Hummer H2 have any recalls?
No NHTSA recall campaigns have been issued for the 2004 Hummer H2 as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2004 Hummer H2?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Hummer H2 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2004 Hummer H2
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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