Skip to content
Hummer H2Model year report

2008 Hummer H2 Problems

Complaints
7filed with NHTSA
Median mileage
91,000miles, 6 complaints with mileage
Recalls
3campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2008 Hummer H2 (complaints, recalls, investigations). Report an error

NHTSA recorded 7 consumer complaints for the 2008 Hummer H2. The part named most often is electrical system, with 2 complaints (29% of the total), followed by transmission and drivetrain (2) and visibility (2). 6 of the complaints include a mileage, and 33% of those were filed for vehicles with under 50,000 miles; the median is 91,000 miles. NHTSA lists 3 recall campaigns and 942 technical service bulletins for this model year. Electrical system complaints overlap with 2 recall campaigns and 185 technical service bulletins filed under the same part. Transmission and drivetrain complaints overlap with 77 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Electrical system: “Tl * the contact owns a 2008 Hummer H2. The contact stated that the front drivers side and the rear drivers side power windows failed. The contact mentioned that when attempting to open the rear passenger window, the glass fell into the door panel. In addition, the front drivers side door glass fell into the door panel several days after the initial failure. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 72,000.”

NHTSA complaint #10618609, filed 2014-08, 72,000 miles

Transmission and drivetrain: “Early failure of 6l80 transmission at 110k mikes car is well maintained and serviced per manual. Vehicle was performing as expected. 4 persons in the vehicle with nothing in tow and no extra cargo. In the middle of an intersection after starting off, the vehicle lost power to the wheels. Drifted to side of road, but almost got hit by a truck and would have if the failure occurred 1 second earlier. Gm has redesigned the failure points of pump, tehcm and valves, failure occurs with no warning.”

NHTSA complaint #10943985, filed 2017-01, 110,000 miles

Visibility (wipers, defrost, mirrors): “The contact owns a 2008 Hummer H2. While the vehicle was parked, the heater/vent/air conditioner was turned on and failed to blow hot air. In addition, there was a burning odor present inside the vehicle. The contact received notification of NHTSA campaign number: 15v421000 (visibility); however, the part for the recall repair was not available. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The approximate failure mileage was 41,492. Updated 2/4/16 updated 4/23/18”

NHTSA complaint #10783397, filed 2015-10, 41,492 miles

Air bags: “The contact owns a 2008 Hummer H2. The contact stated that the air bag warning light was illuminated on the instrument panel at start up. The next day, the vehicle failed to start up after multiple attempts and the air bag warning light remained illuminated on the instrument panel. The contact was eventually able to start the vehicle and took the vehicle to the dealer. The failure continued while in the possession of the dealer and the contact was informed that the failure was caused by moisture leaking from the windshield into the air bag module. …”

NHTSA complaint #11430460, filed 2021-08, 114,000 miles

Mileage when problems were reported

33% of the 6 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 41,492 and 114,000 miles.

17%0–100%10–2517%25–5017%50–750%75–10050%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (6 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 91,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

20101201412015120161201712021120251
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

Recall details for the 2008 Hummer H2 → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 942 on record; the latest 10 are shown.

See all 942 bulletins →

Other model years of the Hummer H2

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2008791,0003———Not enough data
20071181,0002———Not enough data
20062257,5004———Rising
20057970,0002——Not compared (before 2008)Falling
20045968,0003——Not compared (before 2008)Falling
200314165,0004——Not compared (before 2008)Falling

All Hummer H2 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2008 Hummer H2 have?

NHTSA recorded 7 consumer complaints for the 2008 Hummer H2 as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2008 Hummer H2 is reported most often?

Electrical system is named most often, in 2 complaints (29% of the total), followed by transmission and drivetrain with 2.

Has the 2008 Hummer H2 been recalled?

NHTSA lists 3 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2008 Hummer H2 reported?

Among the 6 complaints that include a mileage, the median is 91,000 miles and the middle half falls between 41,492 and 114,000 miles; 33% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.