Most common 2008 Hummer H2 problems
Share of the 7 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Hummer H2 complaints by model year
Best H2 years: 2008, 2007, 2006. Years to avoid: 2003, 2005, 2004. Compare all years →
2008 Hummer H2 recalls (3)
Electrical system
GM is recalling certain model year 2006-2009 Buick, lucerne; Cadillac dts; Hummer h2; model year 2008-2009 Buick enclave; Cadillac cts; model year 2007-2009 Cadillac escalade, escalade esv, escalade ext; Chevrolet avalanche, silverado, suburban, tahoe; GMC acadia, sierra, yukon, yukon xl; Saturn outlook; and model year 2009…
Remedy: Dealers will permanently disable and remove the heated washer fluid module. An updated page for the owner manual will be provided and inserted in the owner manual to document that the feature has been permanently…
Electrical system
GM is recalling 857,735 my 2006-2008 Buick lucerne; Cadillac dts; Hummer h2; my 2007-2008 Cadillac escalade, escalade esv, escalade ext; Chevrolet avalanche, silverado, suburban, tahoe; GMC acadia, sierra, yukon, yukon xl, Saturn outlook; and my 2008 Buick enclave vehicles equipped with a heated wiper washer fluid system.
Remedy: Dealers will install a wire harness with an in-line fuse free of charge. The recall began on September 12, 2008. Owners May contact Buick at 1-866-608-8080; Cadillac at 1-800-982-2339 or http://www.Cadillac.com;…
Service brakes, air › Antilock › Wheel speed sensor
On certain trucks, the wires in the ABS wheel speed sensor front or rear harness May be reversed.
Remedy: Dealers will correct the ABS wheel speed sensor wiring and, if necessary, reprogram the brake control module free of charge. The recall began on September 27, 2007. Owners May contact Hummer at 800-732-5493.
NHTSA defect investigations
Federal safety investigators have looked into 2 possible defects involving the 2008 Hummer H2:
Non-crash engine compartment fires
In response to an information request letter sent by the office of defects investigation(odi) during preliminary evaluation pe08-010, GM provided odi with 41 allegations of non-crash engine compartment fires including 16 allegations of fires originating with the ignition in the off position.one of the fires was determined to be caused by an arson event.odi has also received 5 reports, 4 of which are of duplicative…
Non-crash engine compartment fires
In a letter dated August 27, 2008, general motors corp. (GM) notified NHTSA that it will conduct a safety recall (NHTSA recall number 08v-441) to address a safety relateddefect that can result in engine compartment fire in approximately 850,000 vehicles equipped with a heated windshield washer fluid option.the subject vehicles of this investigation comprise over three-quarters of the recall population.
Frequently asked questions
Is the 2008 Hummer H2 a good car?
Based on 7 owner complaints filed with NHTSA, the 2008 H2 rates better than average: 83% fewer complaints than a typical year of the H2 at the same age. It is one of the best H2 years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2008 Hummer H2?
The electrical system — 2 complaints, 29% of all complaints for this model year. Next are the transmission & drivetrain (2) and speed control & acceleration (1).
How many recalls does the 2008 Hummer H2 have?
There are 3 recalls for the 2008 Hummer H2, the most recent from June 4, 2010 (electrical system). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Hummer H2?
The best years by complaints, compared at the same age, are 2008, 2007 and 2006. Years to avoid or approach with caution: 2003, 2005 and 2004. See the full Hummer H2 years comparison.
At what mileage do 2008 Hummer H2 problems happen?
The median mileage reported in complaints is about 110,000 miles; 33% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.