GMC Sierra 3500 - Problems, Statistics, and Analysis

GMC Sierra 3500 owners have reported a total of 311 problems for their cars built in the 23 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 3500. The 2001 GMC Sierra 3500 cars have the most problems reported (33 problems).

  Common problems of GMC Sierra 3500

The following chart shows the 22 most common problems for GMC Sierra 3500 cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (74 problems). The second most common problem is related to the vehicle's air bags (34 problems).

Table 2. Common problems of GMC Sierra 3500

Problem Category Number of Problems
  Service Brakes
74
  Air Bag
34
  Engine And Engine Cooling
31
  Electrical System
21
  Steering
21
  Power Train
18
  Other Fuel System
18
  Tire
17
  Gasoline Fuel System
15
  Equipment
9
   
  Exterior Lighting
9
  Structure
8
  Suspension
7
  Vehicle Speed Control
6
  Visibility
6
  Diesel Fuel System
5
  Parking Brake
4
  Seats
3
  Wheel
2
  Latches/locks/linkage
1
  Electronic Stability Control
1
  Seat Belt
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the GMC Sierra 3500 of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across Sierra 3500 model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

    PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a GMC Sierra 3500 model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across Sierra 3500 Model Years

Sierra 3500
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2018 21,0941    
1.83
  2017 23,4152    
0.29
  2016 65,4683    
0.37
  2015 225,6464    
0.97
  2014 31,4015    
0.43
  2013 43,5076    
0.19
  2012 122,8567    
0.60
  2011 132,9258    
0.56
  2010 11,2419    
0.09
  2009 72,76710    
0.25
  2008 242,48611    
0.88
  2007 174,01412    
0.35
  2006 154,27713    
0.27
  2005 2713,61614    
0.14
  2004 2710,51215    
0.17
  2003 108,87616    
0.07
  2002 268,49217    
0.18
  2001 3312,11718    
0.15
  2000 2424,74619    
0.05

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the GMC Sierra 3500 is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
  2018 Sierra 3500
2
  2017 Sierra 3500
2
  2016 Sierra 3500
3
  2015 Sierra 3500
9
  2011 Sierra 3500
1
  2009 Sierra 3500
2
  2008 Sierra 3500
4
  2007 Sierra 3500
1
  2006 Sierra 3500
2
  2005 Sierra 3500
3
  2002 Sierra 3500
4
  2001 Sierra 3500
7
  1996 Sierra 3500
2


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