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In Connecticut

GMC Sierra 2500 problems reported in Connecticut

44 of the 2,284 complaints filed about the GMC Sierra 2500 came from Connecticut, most often about the brakes.

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.

Complaints from Connecticut

Crashes

Fires

2005

Worst model year

What failed

Brakes 21 47.7%

Body & Structure 4 9.1%

Electrical System 4 9.1%

Engine & Cooling 4 9.1%

Fuel & Propulsion 3 6.8%

Transmission & Drivetrain 2 4.5%

Tires 1 2.3%

Windows, Mirrors & Wipers 1 2.3%

Acceleration & Cruise Control 1 2.3%

Suspension 1 2.3%

Steering 1 2.3%

Airbags 1 2.3%

By model year

1999 Sierra 2500 1 2.3%

2002 Sierra 2500 7 15.9%

2003 Sierra 2500 5 11.4%

2004 Sierra 2500 6 13.6%

2005 Sierra 2500 8 18.2%

2006 Sierra 2500 2 4.5%

2007 Sierra 2500 1 2.3%

2008 Sierra 2500 1 2.3%

2012 Sierra 2500 2 4.5%

2019 Sierra 2500 2 4.5%

2020 Sierra 2500 1 2.3%

2022 Sierra 2500 1 2.3%

2024 Sierra 2500 5 11.4%

2025 Sierra 2500 2 4.5%

Cities reporting most

Stafford Springs 5 19.2%

Glastonbury 3 11.5%

North Grosvenordale 2 7.7%

Collinsville 2 7.7%

Chester 2 7.7%

Meridan 2 7.7%

Groton 2 7.7%

Watertown 2 7.7%

Cheshire 2 7.7%

Shelton 2 7.7%

East Woodstock 1 3.8%

Reading 1 3.8%

← All GMC Sierra 2500 problems and worst years