MOT Risk Index.co.uk

Does the MG ZR fail the MOT on body, chassis and structure more than it should?

The MG ZR records 27.04 body, chassis and structure failure items per 100 initial MOT tests (2019–2024), against 14.86 expected for a car of the same age mix: more than expected for its class and age (+12.18, 95% interval +11.47 to +12.89). It ranks 34 of 663 models on body, chassis and structure (1 = most failures above expected).

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on body, chassis and structure · check a MG ZR by registration

What exactly fails on body, chassis and structure?

The most frequent DVSA defect wording in this group on the MG ZR is “A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc”, recorded 1,874 times in 2019–2024.

MG ZR: most frequent body, chassis and structure defect wordings, 2019–2024 (30+ items each)
DVSA defect wordingItemsPer 100 tests
A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc1,8749.15
A transmission shaft constant velocity joint boot severely deteriorated1,8368.97
Exhaust system leaking or insecure8614.20
Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced2241.09
Body, cab or chassis excessively corroded at a mounting point1310.64

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 20,477 (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 MG ZR gets a body, chassis and structure advisory, how often does it fail next time?

25.8% of MG ZR MOTs with a body, chassis and structure advisory were followed by a fail in the same group at the next MOT, typically 12.1 months and 2,843 miles later (1,569 advisories followed).

Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 1,569 (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

MG ZR 2001 · MG ZR 2002 · MG ZR 2003 · MG ZR 2004 · MG ZR 2005 · MG ZR 2006 · MG ZR by postcode area · MG ZR brakes failures · MG ZR vehicle identification failures · MG ZR lamps, reflectors and electrics failures · MG ZR noise, emissions and leaks failures · MG ZR road wheels failures · MG ZR seat belts and airbags failures · MG ZR steering failures · MG ZR suspension failures · MG ZR tyres failures · MG ZR visibility failures