Does the Seat Mii fail the MOT on suspension more than it should?
The Seat Mii records 2.13 suspension failure items per 100 initial MOT tests (2019–2024), against 7.93 expected for a car of the same age mix: less than expected for its class and age (−5.80, 95% interval −5.98 to −5.63). It ranks 506 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 Seat Mii by registration
What exactly fails on suspension?
The most frequent DVSA defect wording in this group on the Seat Mii is “A suspension pin, bush or joint excessively worn”, recorded 818 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| A suspension pin, bush or joint excessively worn | 818 | 0.82 |
| A spring or spring component fractured or seriously weakened | 415 | 0.42 |
| A suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 225 | 0.23 |
| A shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 174 | 0.18 |
| A suspension joint dust cover severely deteriorated | 157 | 0.16 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 99,179 (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 Seat Mii gets a suspension advisory, how often does it fail next time?
8.4% of Seat Mii MOTs with a suspension advisory were followed by a fail in the same group at the next MOT, typically 12 months and 5,669 miles later (2,573 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 2,573 (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
Seat Mii 2012 · Seat Mii 2013 · Seat Mii 2014 · Seat Mii 2015 · Seat Mii 2016 · Seat Mii 2017 · Seat Mii 2018 · Seat Mii 2019 · Seat Mii 2020 · Seat Mii in Norway · Seat Mii in Finland · Seat Mii in the Netherlands · Seat Mii by postcode area · Seat Mii body, chassis and structure failures · Seat Mii brakes failures · Seat Mii vehicle identification failures · Seat Mii lamps, reflectors and electrics failures · Seat Mii noise, emissions and leaks failures · Seat Mii road wheels failures · Seat Mii seat belts and airbags failures · Seat Mii steering failures · Seat Mii tyres failures · Seat Mii visibility failures