Hummer H2 problems
91 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
Worth owning if you verify the specific issues below before you buy.
- Electrical system: 28 complaints, classified severe, failures cluster 48,000–98,000 mi
- Reliability score 7.8/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Buying a used 2005 Hummer H2? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- electrical — 28 owner reports · tends to show around 70,511 mi · ~$850 to fix
- visibility — 16 owner reports · tends to show around 66,931 mi · ~$350 to fix
- airbags — 12 owner reports · tends to show around 96,655 mi · ~$1,100 to fix
- brakes — 11 owner reports · tends to show around 88,257 mi · ~$450 to fix
⚠ The one to take seriously: electrical is flagged severe on this model , showing up around 70,511 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 7.8/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2005 Hummer H2
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 8 categories with 3+ complaints
Your road ahead on this 2005 Hummer H2
When owners report each system failing, in actual miles — so you can see what's likely behind you, what's due around now, and what to budget for next. Enter your mileage to mark where you are.
- ~50,000 mielectrical~$850
- ~65,000 mivisibility~$350
- ~81,500 mibrakes~$450
- ~110,000 miairbags~$1,100
"Typical" = median owner-reported failure mileage from the NHTSA complaint record for this exact year and model. Not a maintenance schedule — a heads-up on where this model's failures cluster.
What owners are saying recent NHTSA-filed complaints · verbatim
Windshield washer motor runs, can not control, had to remove fuse to stop motor. *tr
2005 Hummer h2 - windshield wiper not functioning properly. Seems to be a defect with wiper module. *tr
Tl* the contact owns a 2005 Hummer h2. Whenever he closed the rear door the rear license plate pocket would become loose. The vehicle was taken to the dealership , and he was advised that the plate pocket needed to be replaced. The current and failure mileages were 94173.
Windshield wipers work intermittently, come on by themselves, then won't shut off. The problem has happened 5 times in 3 days. Same problems as the 2003 recall for same item.....dealer said water in motor and or module causing problem . Have to be replaced. Waiting to here from…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2005 Hummer H2 reliable?
Mostly yes. With a reliability score of 7.8 out of 10 based on 91 owner complaints filed with NHTSA, the 2005 Hummer H2 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2005 Hummer H2?
The 2005 Hummer H2 is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Electrical system: 28 complaints, classified severe, failures cluster 48,000–98,000 mi; Reliability score 7.8/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2005 Hummer H2?
Inspect the electrical first — it's the most-reported issue on this model, with 28 owner complaints filed. Typical failure occurs around 70,511 miles. Average repair cost runs about $850 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2005 Hummer H2 a good used car to buy?
It scores 7.8 out of 10 on our NHTSA-based read of 91 owner complaints. The main thing to watch is electrical. Typical failure occurs around 70,511 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2005 Hummer H2?
Based on NHTSA records, the most-reported issue is electrical, with 28 complaints filed. Typical failure occurs around 70,511 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 70,511 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Hummer H2 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2005 Hummer H2?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 91 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.