18.7%fail rate
MG Zs common MOT failures and failure rate
What a MG Zs fails its MOT on most often, from real DVSA test data, and the part that resolves each item.
Based on 1,890 MOT tests in a recent DVSA sample.
What it fails on, and the fix
Brakes31.9% of failures
Lamps & electrical25.1% of failures
Tyres18.9% of failures
Other16.7% of failures
Usually bodywork or inspection, not a single bolt-on part.
Visibility/wipers11.0% of failures
Suspension9.9% of failures
About 18.7% of MOT tests recorded on the MG Zs in this DVSA sample end in a failure. The pattern is consistent: the same handful of items account for most of them.
Its most common failure is brakes, which makes up 31.9% of the MG Zs's failures, followed by brakes, lamps & electrical, tyres, other. Each item below links to the part that resolves it. Confirm the exact fitment against your registration or VIN before buying, and have safety-critical work done by a competent mechanic.
Other models
MG Tf MOT failures23.2% failure rateMG 3 MOT failures20.4% failure rateMG Mgf MOT failures25.2% failure rateFord Fiesta MOT failures22.8% failure rate
Sources: DVSA MOT History API: MOT test results and defect data ยท DVSA MOT testing data for Great Britain