27 problems have been reported for the 1999 Lexus LS400. The following chart shows the 10 most common problems for 1999 Lexus LS400. The number one most common problem is related to the vehicle's vehicle speed control with 13 problems. The second most common problem is related to the vehicle's electrical system (4 problems).
| Problem Category | Number of Problems |
|---|---|
| Vehicle Speed Control | |
| Electrical System | |
| Structure | |
| Tire | |
| Engine And Engine Cooling | |
| Service Brakes | |
| Power Train | |
| Seat Belt | |
| Steering | |
| Interior Lighting |
The following chart shows the number of problems reported during each of the service years since the debut of the 1999 Lexus LS400 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 Lexus LS400, the following table can be used to compare the 1999 Lexus LS400 with the Lexus LS400 from other model years. Note that the number of problems reported for the 1999 LS400 is 27 while the average number of problems reported for the 6 model years of the Lexus LS400 is 23.
| Model Year | Number of Problems |
|---|---|
| 2001 LS400 | |
| 2000 LS400 | |
| 1999 LS400 | |
| 1998 LS400 | |
| 1997 LS400 | |
| 1996 LS400 |