2018 GMC Sierra - Problems, Statistics, and Analysis

🔎 Common problems of the 2018 GMC Sierra

28 problems have been reported for the 2018 GMC Sierra. The following chart shows the 11 most common problems for 2018 GMC Sierra. The number one most common problem is related to the vehicle's engine and engine cooling with 6 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (4 problems).

Table 1. Common problems of the 2018 GMC Sierra

Problem Category	Number of Problems
Engine And Engine Cooling	6
Service Brakes	4
Structure	4
Exterior Lighting	3
Steering	3
Electronic Stability Control	2
Equipment	2
Suspension	1
Wheel	1
Power Train	1
Electrical System	1

📈 Problem Occurrence Trend

The following chart shows the number of problems reported during each of the service years since the debut of the 2018 GMC Sierra in 2018.

Table 2. Problem Occurrence Trend

Service Year	Number of Problems
2026	2
2025	0
2024	0
2023	0
2022	1
2021	1
2020	15
2019	4
2018	1

📊 Compare the 2018 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 2018 GMC Sierra with the GMC Sierra from other model years. Note that the number of problems reported for the 2018 Sierra is 28 while the average number of problems reported for the 25 model years of the GMC Sierra is 182.

Table 3. Compare the 2018 GMC Sierra with other model years

Model Year	Number of Problems
2020 Sierra	9
2019 Sierra	48
2018 Sierra	28
2017 Sierra	128
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

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☘ Sierra Service Bulletins

⚑ Sierra Safety Recalls

☤ Sierra Defect Investigations