DVSA Statistics
1979 MG B Roadster
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1979 MG B Roadster (only 7 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 7 DVSA anonymised MOT tests · About this data
Pass Rate
85.7%
Higher than 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 7 recorded tests.
Pre-MOT Checklist for 1979 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
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Frequently Asked Questions
Is a 1979 MG B Roadster likely to fail its MOT?
Based on DVSA statistics, the 1979 MG B Roadster has a 85.7% 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 1979 MG B Roadster?
The most common MOT failure reasons for a 1979 MG B Roadster are: wiper not operating or missing, wiper blade missing or obviously not clearing the windscreen, rear registration plate lamp does not illuminate simultaneously with the position lamps. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1979 MG B Roadster fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: wiper not operating or missing, wiper blade missing or obviously not clearing the windscreen, rear registration plate lamp does not illuminate simultaneously with the position lamps. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1979 MG B Roadsters fail their MOT?
Around 14% of 1979 MG B Roadsters fail their MOT test, meaning roughly 1 in 7 don't pass first time. The most common reasons are wiper not operating or missing and wiper blade missing or obviously not clearing the windscreen. Pre-checking these items can significantly improve your chances.
What should I check before my 1979 MG B Roadster MOT?
Before your 1979 MG B Roadster MOT, check these commonly-failed items: wiper not operating or missing, wiper blade missing or obviously not clearing the windscreen, rear registration plate lamp does not illuminate simultaneously with the position lamps. 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 1979 MG B Roadster reliable for MOT?
With a 85.7% MOT pass rate, the 1979 MG B Roadster performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.