Does the Porsche 911 fail the MOT on vehicle identification more than it should?
The Porsche 911 records 0.72 vehicle identification failure items per 100 initial MOT tests (2019–2024), against 0.57 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) (+0.15, 95% interval +0.12 to +0.18). It ranks 175 of 636 models on vehicle identification (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on vehicle identification · check a Porsche 911 by registration
What exactly fails on vehicle identification?
The most frequent DVSA defect wording in this group on the Porsche 911 is “Number plate does not conform to the specified requirements”, recorded 1,612 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Number plate does not conform to the specified requirements | 1,612 | 0.56 |
| Number plate missing or so insecure that it is likely to fall off | 235 | 0.08 |
| Number plate showing an incorrect registration | 131 | 0.05 |
| Number plate inscription missing or illegible | 72 | 0.03 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 285,717 (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 911 gets a vehicle identification advisory, how often does it fail next time?
0.9% of Porsche 911 MOTs with a vehicle identification advisory were followed by a fail in the same group at the next MOT, typically 11.8 months and 666 miles later (1,304 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,304 (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 911 1998 · Porsche 911 1999 · Porsche 911 2000 · Porsche 911 2001 · Porsche 911 2002 · Porsche 911 2003 · Porsche 911 2004 · Porsche 911 2005 · Porsche 911 2006 · Porsche 911 2007 · Porsche 911 2008 · Porsche 911 2009 · Porsche 911 2010 · Porsche 911 2011 · Porsche 911 2012 · Porsche 911 2013 · Porsche 911 2014 · Porsche 911 2015 · Porsche 911 2016 · Porsche 911 2017 · Porsche 911 2018 · Porsche 911 2019 · Porsche 911 2020 · Porsche 911 in Norway · Porsche 911 in Finland · Porsche 911 in the Netherlands · Porsche 911 by postcode area · Porsche 911 body, chassis and structure failures · Porsche 911 brakes failures · Porsche 911 lamps, reflectors and electrics failures · Porsche 911 noise, emissions and leaks failures · Porsche 911 road wheels failures · Porsche 911 seat belts and airbags failures · Porsche 911 steering failures · Porsche 911 suspension failures · Porsche 911 tyres failures · Porsche 911 visibility failures