Does the Ford Mustang fail the MOT on visibility more than it should?

The Ford Mustang records 4.84 visibility failure items per 100 initial MOT tests (2019–2024), against 6.69 expected for a car of the same age mix: less than expected for its class and age (−1.85, 95% interval −2.05 to −1.64). It ranks 519 of 746 models on visibility (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on visibility · check a Ford Mustang by registration

What exactly fails on visibility?

The most frequent DVSA defect wording in this group on the Ford Mustang is “Wiper blade missing or obviously not clearing the windscreen”, recorded 901 times in 2019–2024.

Ford Mustang: most frequent visibility defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
Wiper blade missing or obviously not clearing the windscreen	901	1.52
Windscreen washers not working or not providing sufficient fluid to clear the windscreen	682	1.15
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view	550	0.93
Wiper blade defective	473	0.80
Windscreen or window excessively tinted but not adversely affecting driver's view	77	0.13

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 59,344 (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

Does the Ford Mustang fail the MOT on visibility more than it should?

What exactly fails on visibility?

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