Does the Kia Optima fail the MOT on road wheels more than it should?

The Kia Optima records 0.35 road wheels failure items per 100 initial MOT tests (2019–2024), against 0.27 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) (+0.08, 95% interval +0.03 to +0.13). It ranks 152 of 516 models on road wheels (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on road wheels · check a Kia Optima by registration

What exactly fails on road wheels?

The most frequent DVSA defect wording in this group on the Kia Optima is “A wheel with a loose or missing wheel nut, bolt or stud”, recorded 178 times in 2019–2024.

Kia Optima: most frequent road wheels defect wordings, 2019–2024 (30+ items each)
DVSA defect wording	Items	Per 100 tests
A wheel with a loose or missing wheel nut, bolt or stud	178	0.31

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 57,208 (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 Kia Optima fail the MOT on road wheels more than it should?

What exactly fails on road wheels?

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