Lexus Is — reliability by registration year
2001–2020 · 20 registration years · 32,314 first tests
2016
breaks the run — 2.5 pp worse than the years either side
Registration years
First-attempt MOT results for every Is registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2020 | 516 | 91.7% | 94.8% | |
| 2019 | 1,075 | 89.2% | 92.3% | |
| 2018 | 1,338 | 90.9% | 93.1% | |
| 2017 | 1,457 | 89.6% | 91.4% | |
| 2016 | 1,827 | 85.1% | 88.4% | Tyres — Condition (rear) 23.2% |
| 2.5 pp worse than the years either side What failed 2016 Iss most often: Tyres — Condition (rear) (23.2%) | ||||
| 2015 | 2,603 | 85.6% | 88.7% | Tyres — Condition (rear) 22.5% |
| 2014 | 2,925 | 84.7% | 88.2% | Tyres — Condition (rear) 18.1% |
| 2013 | 1,609 | 83.3% | 86.1% | |
| 2012 | 855 | 82.5% | 84.9% | |
| 2011 | 1,397 | 78.2% | 83.0% | Position lamp (front) 17.4% |
| 2010 | 2,076 | 74.5% | 80.3% | Position lamp (front) 18.0% |
| 2009 | 2,138 | 73.2% | 78.6% | Position lamp (front) 18.0% |
| 2008 | 2,328 | 73.8% | 80.2% | Position lamp (front) 21.4% |
| 2007 | 2,839 | 69.6% | 76.7% | Position lamp (front) 20.7% |
| 2006 | 2,272 | 68.5% | 75.5% | Position lamp (front) 19.4% |
| 2005 | 1,295 | 65.6% | 73.1% | Position lamp (front) 17.3% |
| 2004 | 1,218 | 65.0% | 73.2% | Position lamp (front) 15.5% |
| 2003 | 1,069 | 65.8% | 75.3% | Position lamp (front) 15.8% |
| 2002 | 864 | 66.4% | 74.1% | |
| 2001 | 613 | 71.0% | 77.0% | |