Reliability in a used H2 looks fairly solid, which isn’t surprising given GM’s expertise building rugged trucks and V8 engines.
On a test-drive, shoppers will want to ensure their potential H2 tracks straight down the road, as some owners have reported alignment issues evidenced by a ‘pull’ to one side or the other. Uneven tire wear across the treads may be another indicator of alignment issues.
Check carpeting thoroughly for signs of moisture, which may be caused by clogged, kinked or leaky sunroof drain hoses. Ensure the air conditioner works as expected too. If it doesn’t, a bad electronic component may be to blame.
You’ll also want to ensure steering-wheel mounted controls for the audio system and cruise control work, and that all interior electronics function as expected.
Be sure to cycle the H2 between its two and four wheel drive modes as outlined in the owner’s manual, ensuring the transfer case shifts properly and isn’t suffering from any potentially expensive-to-replace worn out components.
Finally, a check beneath the vehicle for signs of leaks and abnormal wear, rust or damage caused by careless off-roading is also advised.
End of the day, a healthy Hummer H2 with a mechanical thumbs-up should prove a unique, flexible family hauler that’s big on size and capability. If you’re fuel budget doesn’t allow an H2 to join your driveway, consider a smaller crossover model instead.
On a test-drive, shoppers will want to ensure their potential H2 tracks straight down the road, as some owners have reported alignment issues evidenced by a ‘pull’ to one side or the other. Uneven tire wear across the treads may be another indicator of alignment issues.
Check carpeting thoroughly for signs of moisture, which may be caused by clogged, kinked or leaky sunroof drain hoses. Ensure the air conditioner works as expected too. If it doesn’t, a bad electronic component may be to blame.
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| 2008 Hummer H2 (Photo: General Motors) |
You’ll also want to ensure steering-wheel mounted controls for the audio system and cruise control work, and that all interior electronics function as expected.
Be sure to cycle the H2 between its two and four wheel drive modes as outlined in the owner’s manual, ensuring the transfer case shifts properly and isn’t suffering from any potentially expensive-to-replace worn out components.
Finally, a check beneath the vehicle for signs of leaks and abnormal wear, rust or damage caused by careless off-roading is also advised.
End of the day, a healthy Hummer H2 with a mechanical thumbs-up should prove a unique, flexible family hauler that’s big on size and capability. If you’re fuel budget doesn’t allow an H2 to join your driveway, consider a smaller crossover model instead.




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