Does the Hyundai i20 fail the MOT on noise, emissions and leaks more than it should?
The Hyundai i20 records 1.62 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 2.44 expected for a car of the same age mix: less than expected for its class and age (−0.82, 95% interval −0.86 to −0.78). It ranks 417 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 Hyundai i20 by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Hyundai i20 is “Engine MIL illuminated indicating a malfunction”, recorded 3,985 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 3,985 | 0.57 |
| Emissions levels exceed default limits | 1,593 | 0.23 |
| Emissions levels exceed the manufacturer's specified limits | 1,242 | 0.18 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 1,194 | 0.17 |
| Emissions test unable to be completed | 1,023 | 0.15 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 703,839 (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 Hyundai i20 gets a noise, emissions and leaks advisory, how often does it fail next time?
4.2% of Hyundai i20 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 6,119 miles later (10,918 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 10,918 (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
Hyundai i20 2008 · Hyundai i20 2009 · Hyundai i20 2010 · Hyundai i20 2011 · Hyundai i20 2012 · Hyundai i20 2013 · Hyundai i20 2014 · Hyundai i20 2015 · Hyundai i20 2016 · Hyundai i20 2017 · Hyundai i20 2018 · Hyundai i20 2019 · Hyundai i20 2020 · Hyundai i20 in Norway · Hyundai i20 in Finland · Hyundai i20 in the Netherlands · Hyundai i20 by postcode area · Hyundai i20 body, chassis and structure failures · Hyundai i20 brakes failures · Hyundai i20 vehicle identification failures · Hyundai i20 lamps, reflectors and electrics failures · Hyundai i20 road wheels failures · Hyundai i20 seat belts and airbags failures · Hyundai i20 steering failures · Hyundai i20 suspension failures · Hyundai i20 tyres failures · Hyundai i20 visibility failures