64 problems have been reported for the 1999 Saturn SL1. The following chart shows the 15 most common problems for 1999 Saturn SL1. The number one most common problem is related to the vehicle's engine and engine cooling with 18 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (8 problems).
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling | |
| Service Brakes | |
| Electrical System | |
| Air Bag | |
| Seats | |
| Gasoline Fuel System | |
| Parking Brake | |
| Tire | |
| Power Train | |
| Vehicle Speed Control | |
| Unknown Or Other | |
| Seat Belt | |
| Exterior Lighting | |
| Visibility | |
| Air Brake |
The following chart shows the number of problems reported during each of the service years since the debut of the 1999 Saturn SL1 in 1999.
| 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 |
When making the decision between buying a new or used Saturn SL1, the following table can be used to compare the 1999 Saturn SL1 with the Saturn SL1 from other model years. Note that the number of problems reported for the 1999 SL1 is 64 while the average number of problems reported for the 7 model years of the Saturn SL1 is 68.