- Worst Model Year:
- 2004
- Most Complaints:
- GMC Sierra 1500
CarComplaints.com has 723 complaints on file for GMC vehicles. The worst models are the 2004 Envoy, 2005 Envoy, 2003 Yukon, 2004 Yukon, and the 2003 Envoy.
Here's the yearly complaint trend for all GMC models, over the last 15 years.
Browse Problems by Model
Worst Reported GMC Problems
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#1: cluster gauges not working 2004 Envoy
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#2: leaking gas, cracked gas tank filler neck 2003 Envoy
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#3: ABS module failed 2001 Yukon