Hummer H1 Problems by Year
NHTSA has 6 owner complaints and 1 safety recall on file for the Hummer H1, across 4 model years (1999–2006). The 2003 model year has the most complaints (4). The most reported problem area overall is electrical system.
Hummer H1 years to avoid? What the complaint data shows
No H1 model year stands out with more than twice the complaints of a typical year.
Model years with the most complaints
Complaint counts are not adjusted for how many cars were sold or how long each year has been on the road, so newer and less popular years naturally have fewer complaints. Use them to spot problem patterns, not as a safety ranking.
Most common Hummer H1 problems (all years)
| Problem area | Complaints | Model years | Crashes |
|---|---|---|---|
| Electrical System | 1 | 1 | 0 |
| Engine and Engine Cooling | 1 | 1 | 0 |
| Exterior Lighting | 1 | 1 | 0 |
| Service Brakes, Hydraulic | 1 | 1 | 0 |
| Structure | 1 | 1 | 0 |
| Tires | 1 | 1 | 1 |
| Vehicle Speed Control | 1 | 1 | 0 |
| Visibility | 1 | 1 | 0 |
All Hummer H1 model years
| Model year | Complaints | Recalls | Crash rating | Top problem | Compared with other years |
|---|---|---|---|---|---|
| 2006 H1 | 0 | 1 | — | — | |
| 2003 H1 | 4 | 0 | — | Electrical System | |
| 2002 H1 | 1 | 0 | — | Vehicle Speed Control | |
| 1999 H1 | 1 | 0 | — | Engine and Engine Cooling |
More from Hummer: all Hummer models · VIN decoder
Frequently asked questions
Which Hummer H1 years should you stay away from?
No year stands out at twice the typical count; the most complaints are for 2003 (4), 2002 (1), 1999 (1). Counts are not adjusted for how many cars were sold, and newer years have had less time to collect complaints.
What is the biggest problem with the Hummer H1?
Electrical System, with 1 complaint across 1 model year.
How many recalls does the Hummer H1 have?
1 safety recall across all model years. Each model year page lists its recalls and fixes.