GMC Sierra 3500 problems reported in Colorado
34 of the 769 complaints filed about the GMC Sierra 3500 came from Colorado, most often about the transmission & drivetrain.
Bigger states file more complaints simply for having more drivers. What is worth reading here is the mix — a part that fails in heat, cold or road salt shows up in some states long before others.
34
Complaints from Colorado
1
Crashes
0
Fires
2021
Worst model year
What failed
Transmission & Drivetrain
8
23.5%
Brakes
5
14.7%
Engine & Cooling
4
11.8%
Other & Unspecified
3
8.8%
Fuel & Propulsion
3
8.8%
Steering
3
8.8%
Electrical System
3
8.8%
Airbags
2
5.9%
Doors, Latches & Locks
1
2.9%
Tires
1
2.9%
Windows, Mirrors & Wipers
1
2.9%
By model year
1997 Sierra 3500
1
2.9%
1999 Sierra 3500
1
2.9%
2002 Sierra 3500
1
2.9%
2005 Sierra 3500
3
8.8%
2007 Sierra 3500
1
2.9%
2008 Sierra 3500
1
2.9%
2015 Sierra 3500
2
5.9%
2018 Sierra 3500
1
2.9%
2019 Sierra 3500
1
2.9%
2020 Sierra 3500
5
14.7%
2021 Sierra 3500
7
20.6%
2022 Sierra 3500
1
2.9%
2023 Sierra 3500
2
5.9%
2024 Sierra 3500
6
17.6%
2025 Sierra 3500
1
2.9%
Cities reporting most
Weldona
3
13.6%
Sedalia
3
13.6%
Fort Garland
3
13.6%
Denver
3
13.6%
Glenwood Springs
2
9.1%
Canon City
2
9.1%
Fowler
1
4.5%
Westcliffe
1
4.5%
Superior
1
4.5%
Snowmass Village
1
4.5%
Niwot
1
4.5%
Clifton
1
4.5%