What Owners Complain About
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
Worst Issues
- cluster gauges not working in the 2004 Envoy
23 complaints
- ac / heater malfunctioning in the 2004 Sierra 1500
11 complaints
- gas tank has a cracked neck in the 2004 Envoy
11 complaints
- loss of power in the 2004 Envoy
8 complaints
- transmission went out in the 2004 Envoy
7 complaints
- brake lines rusted in the 2004 Yukon
6 complaints
- clunking noise in steering column in the 2004 Sierra 1500
6 complaints
Worst Models
- Envoy
123 complaints
- Sierra 1500
63 complaints
- Yukon
47 complaints
- Envoy XL
20 complaints
- Sierra 2500
10 complaints
- Canyon
10 complaints
- Sierra 3500
5 complaints
What Breaks the Most
- Interior
69 complaints
- HVAC
36 complaints
- Electrical
31 complaints
- Fuel System
27 complaints
- Brakes
19 complaints
- Engine
19 complaints
- Transmission
17 complaints