2007 Hummer H3 Hummer H3 2007

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2007 Hummer H3 repairs by problem area

Engine (36%)

Transmission and Drivetrain (21%)

Brakes and Traction Control (5%)

Suspension and Steering (12%)

Electrical and Air Conditioning (19%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (1%)

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Chart based on 84 repairs.
See TSBs and recalls for the 2007 Hummer H3.

2007 Hummer H3 body repair cost distribution

$2500+ (0%)

$1000 - $2499 (0%)

$500 - $999 (20%)

$100 - $499 (20%)

< $100 (60%)

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Chart based on 5 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2007 Hummer H3 4dr SUV

242-horsepower 3.7L I5 5-speed manual AWD w/low range

50000 mi

US $850
Due to a poorly designed sunroof draining sust leaks caused sensors to get wet and tripped the warning lights to ping ABS and stability system errors. 
78500 mi Seat trim was causing parasitic drain on battery. It was cracked and constantly pressing down on the power seat button. Realigned the plastic trim and screwed it into place, the drain on battery was resolved. 

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2007 Hummer H3 4dr SUV

242-horsepower 3.7L I5 4-speed automatic AWD w/low range

100000 mi A very poor design of the sunroof water drainage system allows trapped water to enter the vehicle's interior,often leading to excessive moisture retention underneath the carpet and ultimately causing mold and stale odors inside cabin. 
62000 mi

US $285
Sun roof drains plugged. 
59000 mi Exterior door handles breaking. The part that does not move has broken of of both passenger doors and the drivers side rear door over the past year. I have reattached with glue. Silaprene seems to work the best. 

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2007 Hummer H3 Body Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2007 Hummer H3 problems occur, check out our car reliability stats.