MOT Risk Index.co.uk

Does the Mazda Demio fail the MOT on suspension more than it should?

The Mazda Demio records 50.92 suspension failure items per 100 initial MOT tests (2019–2024), against 31.30 expected for a car of the same age mix: more than expected for its class and age (+19.62, 95% interval +17.94 to +21.31). It ranks 17 of 701 models on suspension (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on suspension · check a Mazda Demio by registration

What exactly fails on suspension?

The most frequent DVSA defect wording in this group on the Mazda Demio is “The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired”, recorded 1,587 times in 2019–2024.

Mazda Demio: most frequent suspension defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired1,58722.93
A suspension joint dust cover severely deteriorated78811.38
A suspension pin, bush or joint excessively worn3454.98
A suspension joint dust cover missing or no longer prevents the ingress of dirt etc2934.23
A shock absorber damaged to the extent that it does not function or showing signs of severe leakage1301.88

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 6,922 (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 Mazda Demio gets a suspension advisory, how often does it fail next time?

35.3% of Mazda Demio MOTs with a suspension advisory were followed by a fail in the same group at the next MOT, typically 12 months and 2,392 miles later (1,346 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,346 (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

Mazda Demio 2002 · Mazda Demio 2003 · Mazda Demio in the Netherlands · Mazda Demio by postcode area · Mazda Demio body, chassis and structure failures · Mazda Demio brakes failures · Mazda Demio vehicle identification failures · Mazda Demio lamps, reflectors and electrics failures · Mazda Demio noise, emissions and leaks failures · Mazda Demio seat belts and airbags failures · Mazda Demio steering failures · Mazda Demio tyres failures · Mazda Demio visibility failures