DVSA Statistics
1975 MG B Roadster
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1975 MG B Roadster (only 3 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 3 DVSA anonymised MOT tests · About this data
Pass Rate
66.7%
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
Wiper blades are a common fail on B ROADSTERs. Quick 5-minute fix.
Based on DVSA statistics from 3 recorded tests.
Pre-MOT Checklist for 1975 MG B Roadster
Based on common failure points for this model, check these items before your MOT:
- 1
Check wiper blades for wear, cracks, and smearing - replace if damaged
Visibility – Common fail on this model
- 2
Test all indicators flash at the correct rate - check front, rear, and side repeaters
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 Roadster.
Frequently Asked Questions
Is a 1975 MG B Roadster likely to fail its MOT?
Based on DVSA statistics, the 1975 MG B Roadster has a 66.7% MOT pass rate. This is about average for vehicles of this age.
What are the most common MOT failures on a 1975 MG B Roadster?
The most common MOT failure reasons for a 1975 MG B Roadster are: a wheel bearing with excessive play, a driver's seat moving inadvertently or backrest cannot be retained in the upright position, wiper not operating or missing. 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 Roadster fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a wheel bearing with excessive play, a driver's seat moving inadvertently or backrest cannot be retained in the upright position, wiper not operating or missing. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1975 MG B Roadsters fail their MOT?
Around 33% of 1975 MG B Roadsters fail their MOT test, meaning roughly 1 in 3 don't pass first time. The most common reasons are a wheel bearing with excessive play and a driver's seat moving inadvertently or backrest cannot be retained in the upright position. Pre-checking these items can significantly improve your chances.
What should I check before my 1975 MG B Roadster MOT?
Before your 1975 MG B Roadster MOT, check these commonly-failed items: a wheel bearing with excessive play, a driver's seat moving inadvertently or backrest cannot be retained in the upright position, wiper not operating or missing. 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 Roadster reliable for MOT?
With a 66.7% MOT pass rate, the 1975 MG B Roadster performs about average compared to typical vehicles. This is typical performance for vehicles in this age bracket.