Does the Porsche Boxster fail the MOT on lamps, reflectors and electrics more than it should?
The Porsche Boxster records 12.67 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 29.34 expected for a car of the same age mix: less than expected for its class and age (−16.67, 95% interval −16.91 to −16.43). It ranks 690 of 729 models on lamps, reflectors and electrics (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on lamps, reflectors and electrics · check a Porsche Boxster by registration
What exactly fails on lamps, reflectors and electrics?
The most frequent DVSA defect wording in this group on the Porsche Boxster is “The aim of a headlamp is not within limits laid down in the requirements”, recorded 4,808 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| The aim of a headlamp is not within limits laid down in the requirements | 4,808 | 2.47 |
| A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources | 2,860 | 1.47 |
| A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED | 2,588 | 1.33 |
| Headlamp reflector or lens slightly defective | 2,421 | 1.24 |
| A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 2,242 | 1.15 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 194,725 (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 Boxster gets a lamps, reflectors and electrics advisory, how often does it fail next time?
19.3% of Porsche Boxster MOTs with a lamps, reflectors and electrics advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 1,786 miles later (2,647 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,647 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
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