GMC C6500 Topkick
Model Year Comparison
- Worst Model Year
- 2006
- Worst Category
- suspension Problems
We don't have a lot of complaints on file for the GMC C6500 Topkick — feel free to add yours here. Probably because it's so old, no one bothers to post complaints anymore.
The 2006 GMC C6500 Topkick has the most overall complaints, & we also rate 2006 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 2006 GMC C6500 Topkick for excessive cab shaking.
Worst GMC C6500 Topkick Problems
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#1: Excessive Cab Shaking 2006 C6500 Topkick
- Average Cost to Fix:
- N/A
- Average Mileage:
- 30,000 mi
We're actively collecting data on the worst problems for the GMC C6500 Topkick.
Please add any complaints you have so we have more helpful data to show!