DVSA Statistics
1973 MG B Gt
MOT Pass Rate & Pre-MOT Checklist
Used 1973 MG B Gts usually pass their MOT, but around 1 in 9 still fail, most often for brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired and fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Based on 146 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 146 DVSA anonymised MOT tests · About this data
Pass Rate
88.4%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Parts Available
Brakes are a common wear item.
Based on DVSA statistics from 146 recorded tests.
Pre-MOT Checklist for 1973 MG B Gt
Based on common failure points for this model, check these items before your MOT:
- 1
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 2
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
- 3
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
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Frequently Asked Questions
Is a 1973 MG B Gt likely to fail its MOT?
Based on DVSA statistics, the 1973 MG B Gt has a 88.4% MOT pass rate. This is above average, indicating good reliability for a vehicle of this age.
What are the most common MOT failures on a 1973 MG B Gt?
The most common MOT failure reasons for a 1973 MG B Gt are: brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1973 MG B Gt fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1973 MG B Gts fail their MOT?
Around 12% of 1973 MG B Gts fail their MOT test, meaning roughly 1 in 8 don't pass first time. The most common reasons are brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle. and the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired. Pre-checking these items can significantly improve your chances.
What should I check before my 1973 MG B Gt MOT?
Before your 1973 MG B Gt MOT, check these commonly-failed items: brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.
Is the 1973 MG B Gt reliable for MOT?
With a 88.4% MOT pass rate, the 1973 MG B Gt performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.