Does the Mazda RX-8 fail the MOT on lamps, reflectors and electrics more than it should?

The Mazda RX-8 records 23.72 lamps, reflectors and electrics failure items per 100 initial MOT tests (2019–2024), against 36.67 expected for a car of the same age mix: less than expected for its class and age (−12.95, 95% interval −13.81 to −12.10). It ranks 657 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 Mazda RX-8 by registration

What exactly fails on lamps, reflectors and electrics?

The most frequent DVSA defect wording in this group on the Mazda RX-8 is “The aim of a headlamp is not within limits laid down in the requirements”, recorded 836 times in 2019–2024.

Mazda RX-8: most frequent lamps, reflectors and electrics defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
The aim of a headlamp is not within limits laid down in the requirements	836	4.30
Headlamp reflector or lens slightly defective	826	4.25
A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning	562	2.89
A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources	524	2.70
Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning	202	1.04

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 19,422 (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

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Does the Mazda RX-8 fail the MOT on lamps, reflectors and electrics more than it should?

What exactly fails on lamps, reflectors and electrics?

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