Does the Toyota iQ fail the MOT on suspension more than it should?
The Toyota iQ records 7.32 suspension failure items per 100 initial MOT tests (2019–2024), against 20.06 expected for a car of the same age mix: less than expected for its class and age (−12.74, 95% interval −13.02 to −12.47). It ranks 633 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 Toyota iQ by registration
What exactly fails on suspension?
The most frequent DVSA defect wording in this group on the Toyota iQ is “A suspension joint dust cover severely deteriorated”, recorded 2,932 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A suspension joint dust cover severely deteriorated | 2,932 | 2.83 |
| A suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 2,291 | 2.21 |
| A suspension pin, bush or joint excessively worn | 979 | 0.94 |
| A spring or spring component fractured or seriously weakened | 593 | 0.57 |
| A shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 348 | 0.34 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 103,601 (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 Toyota iQ gets a suspension advisory, how often does it fail next time?
12.6% of Toyota iQ MOTs with a suspension advisory were followed by a fail in the same group at the next MOT, typically 12 months and 4,513 miles later (5,886 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,886 (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
Toyota iQ 2009 · Toyota iQ 2010 · Toyota iQ 2011 · Toyota iQ 2012 · Toyota iQ 2013 · Toyota iQ 2014 · Toyota iQ in Norway · Toyota iQ in the Netherlands · Toyota iQ by postcode area · Toyota iQ body, chassis and structure failures · Toyota iQ brakes failures · Toyota iQ vehicle identification failures · Toyota iQ lamps, reflectors and electrics failures · Toyota iQ noise, emissions and leaks failures · Toyota iQ road wheels failures · Toyota iQ seat belts and airbags failures · Toyota iQ steering failures · Toyota iQ tyres failures · Toyota iQ visibility failures