Does the Fiat Stilo fail the MOT on noise, emissions and leaks more than it should?
The Fiat Stilo records 12.97 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 8.56 expected for a car of the same age mix: more than expected for its class and age (+4.41, 95% interval +3.80 to +5.02). It ranks 41 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 Fiat Stilo by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Fiat Stilo is “Engine MIL illuminated indicating a malfunction”, recorded 375 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 375 | 2.82 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 332 | 2.50 |
| Emissions test unable to be completed | 278 | 2.09 |
| An induction or exhaust leak that could affect emissions levels | 168 | 1.26 |
| Emissions levels exceed default limits | 161 | 1.21 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 13,292 (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 Fiat Stilo gets a noise, emissions and leaks advisory, how often does it fail next time?
12.4% of Fiat Stilo 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 3,639 miles later (1,052 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,052 (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
Fiat Stilo 2002 · Fiat Stilo 2003 · Fiat Stilo 2004 · Fiat Stilo 2005 · Fiat Stilo 2006 · Fiat Stilo 2007 · Fiat Stilo in Finland · Fiat Stilo in the Netherlands · Fiat Stilo by postcode area · Fiat Stilo body, chassis and structure failures · Fiat Stilo brakes failures · Fiat Stilo vehicle identification failures · Fiat Stilo lamps, reflectors and electrics failures · Fiat Stilo road wheels failures · Fiat Stilo seat belts and airbags failures · Fiat Stilo steering failures · Fiat Stilo suspension failures · Fiat Stilo tyres failures · Fiat Stilo visibility failures