Does the Lancia Delta fail the MOT on noise, emissions and leaks more than it should?
The Lancia Delta records 6.90 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 7.48 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) (−0.58, 95% interval −1.54 to +0.38). It ranks 382 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 Lancia Delta by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Lancia Delta is “Emissions levels exceed default limits”, recorded 108 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Emissions levels exceed default limits | 108 | 3.46 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 33 | 1.06 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,117 (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
Other pages for this model
Lancia Delta in the Netherlands · Lancia Delta by postcode area · Lancia Delta body, chassis and structure failures · Lancia Delta brakes failures · Lancia Delta lamps, reflectors and electrics failures · Lancia Delta steering failures · Lancia Delta suspension failures · Lancia Delta tyres failures · Lancia Delta visibility failures