40 problems have been reported for the 1998 GMC Sierra 1500. The following chart shows the 14 most common problems for 1998 GMC Sierra 1500. The number one most common problem is related to the vehicle's service brakes, hydraulic with 10 problems. The second most common problem is related to the vehicle's visibility (7 problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes | |
| Visibility | |
| Air Bag | |
| Engine And Engine Cooling | |
| Power Train | |
| Steering | |
| Structure | |
| Electrical System | |
| Seats | |
| Vehicle Speed Control | |
| Equipment | |
| Seat Belt | |
| Gasoline Fuel System | |
| Air Brake |
The following chart shows the number of problems reported during each of the service years since the debut of the 1998 GMC Sierra 1500 in 1998.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 | |
| 2002 | |
| 2001 | |
| 2000 | |
| 1999 | |
| 1998 |
When making the decision between buying a new or used GMC Sierra 1500, the following table can be used to compare the 1998 GMC Sierra 1500 with the GMC Sierra 1500 from other model years. Note that the number of problems reported for the 1998 Sierra 1500 is 40 while the average number of problems reported for the 26 model years of the GMC Sierra 1500 is 224.