1999 GMC Sierra - Problems, Statistics, and Analysis

🔎 Common problems of the 1999 GMC Sierra

719 problems have been reported for the 1999 GMC Sierra. The following chart shows the 23 most common problems for 1999 GMC Sierra. The number one most common problem is related to the vehicle's service brakes, hydraulic with 317 problems. The second most common problem is related to the vehicle's power train (41 problems).

Table 1. Common problems of the 1999 GMC Sierra

Problem Category	Number of Problems
Service Brakes	317
Power Train	41
Vehicle Speed Control	40
Suspension	40
Structure	31
Tire	30
Air Brake	27
Seats	23
Steering	19
Engine And Engine Cooling	19
Visibility	18
Gasoline Fuel System	17
Seat Belt	17
Electrical System	13
Parking Brake	12
Air Bag	12
Unknown Or Other	9
Wheel	8
Other Fuel System	8
Exterior Lighting	7
Equipment	6
Latches/locks/linkage	4
Interior Lighting	1

📈 Problem Occurrence Trend

The following chart shows the number of problems reported during each of the service years since the debut of the 1999 GMC Sierra in 1999.

Table 2. Problem Occurrence Trend

Service Year	Number of Problems
2022	0
2021	0
2020	0
2019	0
2018	0
2017	0
2016	0
2015	1
2014	11
2013	9
2012	12
2011	8
2010	5
2009	6
2008	1
2007	3
2006	21
2005	64
2004	56
2003	68
2002	105
2001	78
2000	79
1999	8

📊 Compare the 1999 GMC Sierra with Other Model Years

When making the decision between buying a new or used GMC Sierra, the following table can be used to compare the 1999 GMC Sierra with the GMC Sierra from other model years. Note that the number of problems reported for the 1999 Sierra is 719 while the average number of problems reported for the 25 model years of the GMC Sierra is 178.

Table 3. Compare the 1999 GMC Sierra with other model years

Model Year	Number of Problems
2020 Sierra	6
2019 Sierra	44
2018 Sierra	25
2017 Sierra	113
2016 Sierra	45
2015 Sierra	87
2014 Sierra	152
2013 Sierra	56
2012 Sierra	60
2011 Sierra	102
2010 Sierra	52
2009 Sierra	50
2008 Sierra	105
2007 Sierra	96
2006 Sierra	69
2005 Sierra	155
2004 Sierra	243
2003 Sierra	246
2002 Sierra	304
2001 Sierra	342
2000 Sierra	555
1999 Sierra	719
1998 Sierra	229
1997 Sierra	302
1996 Sierra	310

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