Does the Lexus GS fail the MOT on noise, emissions and leaks more than it should?
The Lexus GS records 3.52 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 5.85 expected for a car of the same age mix: less than expected for its class and age (−2.33, 95% interval −2.54 to −2.13). It ranks 565 of 678 models on noise, emissions and leaks (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on noise, emissions and leaks · check a Lexus GS by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Lexus GS is “Engine MIL illuminated indicating a malfunction”, recorded 869 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 869 | 1.61 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 405 | 0.75 |
| Emissions levels exceed default limits | 173 | 0.32 |
| Emissions test unable to be completed | 172 | 0.32 |
| An induction or exhaust leak that could affect emissions levels | 126 | 0.23 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 53,840 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Lexus GS gets a noise, emissions and leaks advisory, how often does it fail next time?
5.7% of Lexus GS MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 4,013 miles later (1,387 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,387 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Lexus GS 2001 · Lexus GS 2002 · Lexus GS 2003 · Lexus GS 2004 · Lexus GS 2005 · Lexus GS 2006 · Lexus GS 2007 · Lexus GS 2008 · Lexus GS 2009 · Lexus GS 2010 · Lexus GS 2011 · Lexus GS 2012 · Lexus GS 2013 · Lexus GS 2014 · Lexus GS 2015 · Lexus GS 2016 · Lexus GS 2017 · Lexus GS 2018 · Lexus GS by postcode area · Lexus GS body, chassis and structure failures · Lexus GS brakes failures · Lexus GS vehicle identification failures · Lexus GS lamps, reflectors and electrics failures · Lexus GS road wheels failures · Lexus GS seat belts and airbags failures · Lexus GS steering failures · Lexus GS suspension failures · Lexus GS tyres failures · Lexus GS visibility failures