Does the Suzuki SX4 fail the MOT on noise, emissions and leaks more than it should?
The Suzuki SX4 records 3.18 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 3.17 expected for a car of the same age mix: about as expected for its class and age (the difference is within its interval or under 0.5 items per 100 tests) (+0.01, 95% interval −0.06 to +0.08). It ranks 262 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 Suzuki SX4 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Suzuki SX4 is “Engine MIL illuminated indicating a malfunction”, recorded 3,203 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 3,203 | 1.35 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 1,411 | 0.60 |
| Emissions test unable to be completed | 700 | 0.30 |
| Emissions levels exceed default limits | 638 | 0.27 |
| An induction or exhaust leak that could affect emissions levels | 421 | 0.18 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 236,936 (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 Suzuki SX4 gets a noise, emissions and leaks advisory, how often does it fail next time?
8.1% of Suzuki SX4 MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12 months and 6,420 miles later (4,460 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 4,460 (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
Suzuki SX4 2006 · Suzuki SX4 2007 · Suzuki SX4 2008 · Suzuki SX4 2009 · Suzuki SX4 2010 · Suzuki SX4 2011 · Suzuki SX4 2012 · Suzuki SX4 2013 · Suzuki SX4 2014 · Suzuki SX4 2015 · Suzuki SX4 2016 · Suzuki SX4 2017 · Suzuki SX4 2018 · Suzuki SX4 2019 · Suzuki SX4 2020 · Suzuki SX4 in Norway · Suzuki SX4 in Finland · Suzuki SX4 in the Netherlands · Suzuki SX4 by postcode area · Suzuki SX4 body, chassis and structure failures · Suzuki SX4 brakes failures · Suzuki SX4 vehicle identification failures · Suzuki SX4 lamps, reflectors and electrics failures · Suzuki SX4 road wheels failures · Suzuki SX4 seat belts and airbags failures · Suzuki SX4 steering failures · Suzuki SX4 suspension failures · Suzuki SX4 tyres failures · Suzuki SX4 visibility failures