Does the Daihatsu Terios fail the MOT on noise, emissions and leaks more than it should?
The Daihatsu Terios records 10.97 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 7.72 expected for a car of the same age mix: more than expected for its class and age (+3.25, 95% interval +2.89 to +3.61). It ranks 63 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 Daihatsu Terios by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Daihatsu Terios is “Lambda coefficient outside the default limits or the range specified by the manufacturer”, recorded 907 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 907 | 2.79 |
| Engine MIL illuminated indicating a malfunction | 899 | 2.77 |
| Emissions levels exceed default limits | 692 | 2.13 |
| Emissions test unable to be completed | 451 | 1.39 |
| Emissions levels exceed the manufacturer's specified limits | 264 | 0.81 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 32,464 (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 Daihatsu Terios gets a noise, emissions and leaks advisory, how often does it fail next time?
12.4% of Daihatsu Terios 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 2,898 miles later (676 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 676 (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
Daihatsu Terios 2002 · Daihatsu Terios 2003 · Daihatsu Terios 2004 · Daihatsu Terios 2005 · Daihatsu Terios 2006 · Daihatsu Terios 2007 · Daihatsu Terios 2008 · Daihatsu Terios 2009 · Daihatsu Terios in Norway · Daihatsu Terios in the Netherlands · Daihatsu Terios by postcode area · Daihatsu Terios body, chassis and structure failures · Daihatsu Terios brakes failures · Daihatsu Terios vehicle identification failures · Daihatsu Terios lamps, reflectors and electrics failures · Daihatsu Terios road wheels failures · Daihatsu Terios seat belts and airbags failures · Daihatsu Terios steering failures · Daihatsu Terios suspension failures · Daihatsu Terios tyres failures · Daihatsu Terios visibility failures