Does the Porsche 928 fail the MOT on suspension more than it should?
The Porsche 928 records 5.58 suspension failure items per 100 initial MOT tests (2019–2024), against 19.35 expected for a car of the same age mix: less than expected for its class and age (−13.77, 95% interval −14.99 to −12.55). It ranks 650 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 Porsche 928 by registration
What exactly fails on suspension?
The most frequent DVSA defect wording in this group on the Porsche 928 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 55 times in 2019–2024.
| DVSA defect wording | Items | Per 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 repaired | 55 | 1.10 |
| A suspension pin, bush or joint excessively worn | 48 | 0.96 |
| A suspension joint dust cover severely deteriorated | 41 | 0.82 |
| A suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 34 | 0.68 |
| A spring or spring component fractured or seriously weakened | 31 | 0.62 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,000 (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
Other pages for this model
Porsche 928 by postcode area · Porsche 928 body, chassis and structure failures · Porsche 928 brakes failures · Porsche 928 vehicle identification failures · Porsche 928 lamps, reflectors and electrics failures · Porsche 928 noise, emissions and leaks failures · Porsche 928 seat belts and airbags failures · Porsche 928 steering failures · Porsche 928 tyres failures · Porsche 928 visibility failures