DVSA Statistics
1981 MG Mgb
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1981 MG Mgb (only 16 tests in our DVSA dataset), so these figures are a rough guide. We still highlight common failure items below so you can check before your MOT.
Pass Rate
Based on 16 DVSA anonymised MOT tests · About this data
Pass Rate
75%
About average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Headlight bulbs are a common MOT fail. Easy DIY replacement.
Based on DVSA statistics from 16 recorded tests.
Pre-MOT Checklist for 1981 MG Mgb
Based on common failure points for this model, check these items before your MOT:
- 1
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
- 2
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
- 3
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
How Does This Compare to Other Years?
Previous Year
1980 MG Mgb
Based on 14 UK MOT tests
Next Year
1982 MG Mgb
Based on 1 UK MOT tests
The 1981 model shows improvement over 1980 but the 1982 model has an even better pass rate.
Why Trust This Data?
Official UK Government Source
This data comes from the UK's Driver and Vehicle Standards Agency (DVSA), the official body responsible for MOT testing standards. The anonymised MOT test data is published via data.gov.uk.
Understanding the Statistics
This page is based on 16 MOT tests from the 2023 DVSA dataset. Your 1981 MG Mgb was 42 years old when this data was collected and is now 45 years old.
Sample Size
Limited data - 16 tests (use as rough guide only)
Limitations
Statistics reflect average outcomes and don't account for maintenance history, mileage, or regional variations. Individual results will vary based on how well a vehicle has been maintained.
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact MG Mgb.
Frequently Asked Questions
Is a 1981 MG Mgb likely to fail its MOT?
Based on DVSA statistics, the 1981 MG Mgb has a 75% 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 1981 MG Mgb?
The most common MOT failure reasons for a 1981 MG Mgb are: 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, the aim of a headlamp is not within limits laid down in the requirements. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1981 MG Mgb fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: 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, the aim of a headlamp is not within limits laid down in the requirements. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1981 MG Mgbs fail their MOT?
Around 25% of 1981 MG Mgbs fail their MOT test, meaning roughly 1 in 4 don't pass first time. The most common reasons are 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. Pre-checking these items can significantly improve your chances.
What should I check before my 1981 MG Mgb MOT?
Before your 1981 MG Mgb MOT, check these commonly-failed items: 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, the aim of a headlamp is not within limits laid down in the requirements. 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 1981 MG Mgb reliable for MOT?
With a 75% MOT pass rate, the 1981 MG Mgb performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.