Does the Porsche Macan fail the MOT on noise, emissions and leaks more than it should?
The Porsche Macan records 0.28 noise, emissions and leaks failure items per 100 initial MOT tests (2019–2024), against 1.02 expected for a car of the same age mix: less than expected for its class and age (−0.74, 95% interval −0.80 to −0.69). It ranks 407 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 Porsche Macan by registration
What exactly fails on noise, emissions and leaks?
The most frequent DVSA defect wording in this group on the Porsche Macan is “Engine MIL illuminated indicating a malfunction”, recorded 255 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Engine MIL illuminated indicating a malfunction | 255 | 0.21 |
| Lambda coefficient outside the default limits or the range specified by the manufacturer | 40 | 0.03 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 124,298 (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 Porsche Macan gets a noise, emissions and leaks advisory, how often does it fail next time?
0.9% of Porsche Macan MOTs with a noise, emissions and leaks advisory were followed by a fail in the same group at the next MOT, typically 12.7 months and 15,221 miles later (558 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 558 (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
Porsche Macan 2014 · Porsche Macan 2015 · Porsche Macan 2016 · Porsche Macan 2017 · Porsche Macan 2018 · Porsche Macan 2019 · Porsche Macan 2020 · Porsche Macan in Norway · Porsche Macan in the Netherlands · Porsche Macan by postcode area · Porsche Macan body, chassis and structure failures · Porsche Macan brakes failures · Porsche Macan vehicle identification failures · Porsche Macan lamps, reflectors and electrics failures · Porsche Macan road wheels failures · Porsche Macan seat belts and airbags failures · Porsche Macan steering failures · Porsche Macan suspension failures · Porsche Macan tyres failures · Porsche Macan visibility failures