At a Glance
The Mg Magnette ZA/ZB has 1 identified problem that occur more often than the UK average, with Windscreen washer not working being the most reported. Brakes is the most common MOT failure category. Based on 3K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →
Below: the full MOT-data picture for the Mg Magnette ZA/ZB — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.
Mg Magnette ZA/ZB MOT Pass Rate
Across 3K MOT tests from DVSA data, the Mg Magnette ZA/ZB (1953–1958) has a fail rate of 21.4%.
All-time UK average fail rate: 34.9%
Common Mg Magnette ZA/ZB Problems
Owner-submitted reports plus patterns we've identified across 559 million UK MOT tests. Each MOT-derived item below — whether tagged as a Problem, Wear & Tear or Consumable — shows up noticeably more often on this generation than across the UK fleet, which is why it's here. Owner reports are pinned to the top by default; use the sort and filter pills below to view a specific tier or change the order.
Windscreen washer not working
96
occurrences
Tell Us About Your Problem
Help other Mg Magnette ZA/ZB owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Mg Magnette ZA/ZB owners — report a problem and we'll add it to the database
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Problems by mileage
Common problems, MOT failures and advisories on the Mg Magnette ZA/ZB, grouped by the mileage they typically appear at.
168 distinct problems · 1,975 total occurrences in current filter
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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.
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Other Mg Magnette Generations
ZA/ZB
1953–1958
2 problems
Current page
Mark III/IV
1959–1968
0 problems
Frequently Asked Questions
What are the most common Mg Magnette ZA/ZB problems?
Based on DVSA MOT data for the Mg Magnette ZA/ZB (1953–1958), we have identified 1 common problem. The most frequently reported is "Windscreen washer not working". Brakes is the most common MOT failure category.
How reliable is the Mg Magnette ZA/ZB?
This generation has 3K MOT tests on record with a 21.4% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.
What commonly fails the MOT on a Mg Magnette ZA/ZB?
There are 79 distinct MOT failure types recorded for the ZA/ZB (1953–1958), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.
Can I report a problem with my Mg Magnette ZA/ZB?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mg Magnette owners spot problems early. All submissions are reviewed before being added to the public database.
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