Does the Nissan 300ZX fail the MOT on noise, emissions and leaks more than it should?
The Nissan 300ZX records 10.57 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 8.09 expected for a car of the same age mix: more than expected for its class and age (+2.48, 95% interval +1.41 to +3.56). It ranks 78 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 Nissan 300ZX by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Nissan 300ZX is “Emissions levels exceed default limits”, recorded 154 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Emissions levels exceed default limits | 154 | 4.38 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 76 | 2.16 |
| Emissions test unable to be completed | 49 | 1.39 |
| Emissions levels exceed the manufacturer's specified limits | 34 | 0.97 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 3,518 (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
Nissan 300ZX by postcode area · Nissan 300ZX body, chassis and structure failures · Nissan 300ZX brakes failures · Nissan 300ZX vehicle identification failures · Nissan 300ZX lamps, reflectors and electrics failures · Nissan 300ZX seat belts and airbags failures · Nissan 300ZX steering failures · Nissan 300ZX suspension failures · Nissan 300ZX tyres failures · Nissan 300ZX visibility failures