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Mg Mg3
Common Car Problems, MOT Failures & Pass Rate Data

4 MOT failure types1 MOT tests analysed2018–2025

Sources: DVSA MOT Test Data + owner-submitted problems

At a Glance

The Mg Mg3 has 4 distinct MOT failure types recorded below from real DVSA tests. No single fault occurs significantly more often than the UK fleet average — the Mg3 tracks the baseline rather than showing a model-specific pattern. Brakes is the most common MOT failure category. Based on 1 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 Mg3 — 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 Mg3 MOT Pass Rate

Across 1 MOT tests from DVSA data, the Mg Mg3 (2018–2025) has a fail rate of 0.0%.

UK average fail rate (2018–2024): 30.1%

1 passed0 failed

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Problems by mileage

Common problems, MOT failures and advisories on the Mg Mg3, grouped by the mileage they typically appear at.

8 distinct problems · 10 total occurrences in current filter

Aggregates Petrol 1.5L + Petrol Hybrid 1.5L

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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.

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Frequently Asked Questions

What are the most common Mg Mg3 problems?

Based on DVSA MOT data for the Mg Mg3 MG3 (2018–2025), we have identified 0 common problems. Brakes is the most common MOT failure category.

How reliable is the Mg Mg3?

This generation has 1 MOT tests on record with a 0.0% 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 Mg3?

There are 4 distinct MOT failure types recorded for the MG3 (2018–2025), 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 Mg3?

Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Mg Mg3 owners spot problems early. All submissions are reviewed before being added to the public database.

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