Hummer H3T
Model Year Comparison
- Worst Model Year
- 2009
- Worst Category
- cooling system Problems
We don't have a lot of complaints on file for the Hummer H3T — feel free to add yours here. Probably because it's so old, no one bothers to post complaints anymore.
The 2009 Hummer H3T has the most overall complaints, & we also rate 2009 as the worst model year ranked on several factors such as repair cost & average mileage when problems occur. The most-reported problem is also with the 2009 Hummer H3T for transmission fluid mixing with engine coolant.
Worst Hummer H3T Problems
-
#1: Transmission Fluid Mixing With Engine Coolant 2009 H3T
- Average Cost to Fix:
- $1,200
- Average Mileage:
- 0 mi
-
#2: Automatic Locks Not Working Properly 2009 H3T
- Average Cost to Fix:
- N/A
- Average Mileage:
- 65,000 mi
-
#3: A/C Not Working 2009 H3T
- Average Cost to Fix:
- N/A
- Average Mileage:
- 72,000 mi