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ProblemsByVinFile / 2005-HUMMER-H2NHTSA data synced 8 hours ago
Hummer
2005 Hummer H2 problems
The 2005 Hummer H2 has 1 critical safety recall on file — the kind NHTSA opens when crashes, fires, or injuries are documented. 91 owner complaints alongside. Read those first.
The 2005 Hummer H2 has 91 NHTSA owner complaints and 3 recalls on file (U.S. federal records, as of August 2026). The most-reported system is electrical at 28 complaints, typically surfacing around 70,511 miles (~$850 to repair). Source: NHTSA Office of Defects Investigation.
Average for the segment. Some recurring trouble spots worth knowing about.
1
Critical
2
Severe
0
Moderate
Should you avoid this 2005 H2?
Acceptable — with caveats
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 6.8/10 — around the segment average
3 recall campaigns on file
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 — 3 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 6.8/10 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.
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.
Dash light, leak, worn part — snap it and we'll read it against this car's record.
Photo attached — type a question or just hit Ask.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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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.
"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.
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…
Had a problem with your 2005 Hummer H2?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Certain fabtech aftermarket replacement pitman arms, p/nos
Loss of steering control could lead to a vehicle crash with potential injury or death.
Fix: Fabtech will notify owners and replace the pitman and idler arms free of charge. The recall is expected to begin during february 2006. Owners may contact fabtech at 909-597-7800.
On certain crew cab pickup trucks and sport utility vehicles, the 2nd row center occupant seat belt routing may make it difficult to position the lap portion of the safety belt low around the hips of occupants, especially smaller occupants, seated in this position
A lap portion of the seat belt routing that is not low and snug on the hips can allow the lap belt to ride up on an occupant's abdomen instead of fitting low around their hipbones, and therefore, can expose them to more risk of abdominal and internal organ injury.
Fix: Dealers will cut open the guide loop, remove a portion of the loop, and then the remaining two sides should be folded over and secured with a retainer free of charge. The recall began on july 21, 2005. Owners may contact Cadillac at 1-866-982-2339, Chevrolet at 1-800-630-2438, GMC at 1-866-996-9463, or Hummer at 1-800-732-5493.
Certain trucks, sport utility vehicles, and vans equipped with bosch hydro-boost brake assemblies, the hydraulic brake booster pressure accumulator may crack and separate from the hydro-boost assembly during normal operating conditions
If a separation occurred and the hood of the vehicle were open, fragments from the accumulator could cause injury to people in the immediate area. The presence of this crack or fractured surface could allow the hydraulic fluid to leak from the accumulator circuit of the booster assembly. The loss of fluid would cause increased steering and braking effort and a crash may occur without prior warning.
Fix: Dealers will test the hydro-boost assembly for functional operation of the two-function valve. If the hydro-boost assembly fails the test, dealers will replace the assembly free of charge. The recall began on march 23, 2005. Owners may contact Chevrolet at 1-800-630-2438, GMC trucks at 1-866-996-9463 and Hummer at 1-800-732-5493.
Common questions
Is the 2005 Hummer H2 reliable?
It's got known weak points. With a reliability score of 6.8 out of 10 based on 91 owner complaints filed with NHTSA, the 2005 Hummer H2 has a higher-than-average rate of reported issues. The areas to watch are listed above. Whether it's worth owning depends on price, condition, and how much repair exposure you can absorb.
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 6.8/10 — around the segment average; 3 recall campaigns on file. 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 6.8 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.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 8 hours ago. Verify the raw federal record at
nhtsa.gov/vehicle/2005/Hummer/H2.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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