Hummer H3
Reliability, running costs, and MOT data across 4 years from 234 real MOT tests.
Avg Pass Rate
87%
Total Tests
234
Best Year
2008 (94%)
Years Covered
4
How reliable is the Hummer H3?
Hummer H3 by Year
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About the Hummer H3
The Hummer H3 has been tested 234 times in 2024 MOT data across 4 model years (2006 to 2009), with an average pass rate of 87%. That's slightly above the national average of 82%. Available as petrol.
Best and Worst Years
The 2008 model is the most reliable with a 94% pass rate from 66 tests. The 2007 model has the lowest at 78%. With a 16 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
The HUMMER H3 has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Mileage Across Years
The oldest model in our data (2006) averages 86,442 miles, while the newest (2009) averages 75,469 miles.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.