GMC Sierra - Problems, Statistics, and Analysis

GMC Sierra owners have reported a total of 4,563 problems for their cars built in the 25 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the GMC Sierra. The 1999 GMC Sierra cars have the most problems reported (719 problems).

Table 1. Total number of problems by model year for GMC Sierra

Model Year	Number of Problems
2020 Sierra	9
2019 Sierra	48
2018 Sierra	29
2017 Sierra	129
2016 Sierra	55
2015 Sierra	112
2014 Sierra	164
2013 Sierra	59
2012 Sierra	61
2011 Sierra	104
2010 Sierra	53
2009 Sierra	53
2008 Sierra	105
2007 Sierra	98
2006 Sierra	69
2005 Sierra	155
2004 Sierra	243
2003 Sierra	246
2002 Sierra	304
2001 Sierra	342
2000 Sierra	557
1999 Sierra	719
1998 Sierra	229
1997 Sierra	302
1996 Sierra	310

🔍 Common problems of GMC Sierra

The following chart shows the 29 most common problems for GMC Sierra cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (1,378 problems). The second most common problem is related to the vehicle's power train (341 problems).

Table 2. Common problems of GMC Sierra

Problem Category	Number of Problems
Service Brakes	1,378
Power Train	341
Steering	287
Electrical System	263
Engine And Engine Cooling	250
Visibility	232
Air Bag	217
Structure	200
Equipment	190
Suspension	175

Exterior Lighting	167
Vehicle Speed Control	150
Tire	132
Gasoline Fuel System	89
Seats	72
Seat Belt	68
Other Fuel System	67
Air Brake	60
Parking Brake	55
Unknown Or Other	47
Wheel	42
Latches/locks/linkage	33
Electronic Stability Control	29
Diesel Fuel System	8
Interior Lighting	5
Traction Control System	2
Child Seat	2
Forward Collision Avoidance	1
Back Over Prevention	1

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