DVSA Statistics
1975 MG B
MOT Pass Rate & Pre-MOT Checklist
Used 1975 MG Bs usually pass their MOT, but around 1 in 6 still fail, most often for vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play and braking effort not recording at a wheel. Based on 123 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 123 DVSA anonymised MOT tests · About this data
Pass Rate
84.6%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Windscreen wipers are easy to replace yourself.
Based on DVSA statistics from 123 recorded tests.
Pre-MOT Checklist for 1975 MG B
Based on common failure points for this model, check these items before your MOT:
- 1
Check windscreen for chips or cracks in the driver view zone (Zone A)
Visibility – Common fail on this model
- 2
Check brake lights illuminate when pedal is pressed - have someone help you check
Lighting – Common fail on this model
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact MG B.
Frequently Asked Questions
Is a 1975 MG B likely to fail its MOT?
Based on DVSA statistics, the 1975 MG B has a 84.6% 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 1975 MG B?
The most common MOT failure reasons for a 1975 MG B are: vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play, braking effort not recording at a wheel. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1975 MG B fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play, braking effort not recording at a wheel. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1975 MG Bs fail their MOT?
Around 15% of 1975 MG Bs fail their MOT test, meaning roughly 1 in 7 don't pass first time. The most common reasons are vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced and a wheel bearing with excessive play. Pre-checking these items can significantly improve your chances.
What should I check before my 1975 MG B MOT?
Before your 1975 MG B MOT, check these commonly-failed items: vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play, braking effort not recording at a wheel. 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 1975 MG B reliable for MOT?
With a 84.6% MOT pass rate, the 1975 MG B performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.