20.4%fail rate
MG 3 common MOT failures and failure rate
What a MG 3 fails its MOT on most often, from real DVSA test data, and the part that resolves each item.
Based on 2,303 MOT tests in a recent DVSA sample.
What it fails on, and the fix
Tyres26.6% of failures
Brakes24.3% of failures
Lamps & electrical21.7% of failures
Suspension18.1% of failures
Visibility/wipers10.2% of failures
Other5.1% of failures
Usually bodywork or inspection, not a single bolt-on part.
About 20.4% of MOT tests recorded on the MG 3 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 tyres, which makes up 26.6% of the MG 3's failures, followed by tyres, brakes, lamps & electrical, suspension. 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 Zs MOT failures18.7% 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