DVSA Statistics
1971 MG B Roadster
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1971 MG B Roadster (only 8 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 8 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
Windscreen wipers are easy to replace yourself.
Based on DVSA statistics from 8 recorded tests.
Pre-MOT Checklist for 1971 MG B Roadster
Based on common failure points for this model, check these items before your MOT:
- 1
Visually check brake discs for scoring, cracks, or excessive lip
Brakes – Common fail on this model
- 2
Check for excessive play in steering wheel - should be minimal free movement
Steering – Common fail on this model
- 3
Check exhaust for leaks, holes, or excessive corrosion - listen for blowing
Exhaust – Common fail on this model
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Frequently Asked Questions
Is a 1971 MG B Roadster likely to fail its MOT?
Based on DVSA statistics, the 1971 MG B Roadster 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 1971 MG B Roadster?
The most common MOT failure reasons for a 1971 MG B Roadster are: fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, windscreen or window damaged or seriously discoloured but not adversely affecting driver's view, steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1971 MG B Roadster fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, windscreen or window damaged or seriously discoloured but not adversely affecting driver's view, steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1971 MG B Roadsters fail their MOT?
Around 25% of 1971 MG B Roadsters fail their MOT test, meaning roughly 1 in 4 don't pass first time. The most common reasons are fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users and windscreen or window damaged or seriously discoloured but not adversely affecting driver's view. Pre-checking these items can significantly improve your chances.
What should I check before my 1971 MG B Roadster MOT?
Before your 1971 MG B Roadster MOT, check these commonly-failed items: fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, windscreen or window damaged or seriously discoloured but not adversely affecting driver's view, steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc. 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 1971 MG B Roadster reliable for MOT?
With a 75% MOT pass rate, the 1971 MG B Roadster performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.