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
- fuel level sensor failure in the 2005 Envoy
12 complaints
- gas gauge does not work in the 2005 Envoy
6 complaints
- speedometer failure in the 2005 Envoy
5 complaints
- premature brake line failure due to rust & corrosion in the 2005 Sierra 1500
4 complaints
- speedometer doesn't read correctly in the 2005 Sierra
4 complaints
- melted wiring for blower motor resistor in the 2005 Sierra 1500
4 complaints
- wheels shake when i hit the brakes in the 2005 Envoy
3 complaints
Worst Models
- Envoy
79 complaints
- Sierra 1500
40 complaints
- Yukon
39 complaints
- Envoy XL
15 complaints
- Sierra 2500
14 complaints
- Canyon
9 complaints
- Sierra 3500
3 complaints
What Breaks the Most
- Interior
36 complaints
- HVAC
31 complaints
- Electrical
23 complaints
- Fuel System
21 complaints
- Engine
18 complaints
- Brakes
16 complaints
- Transmission
12 complaints