DVSA Statistics
1978 MG Roadster
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1978 MG Roadster (only 10 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 10 DVSA anonymised MOT tests · About this data
Pass Rate
80%
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
Indicator bulbs are quick and cheap to replace.
Based on DVSA statistics from 10 recorded tests.
Pre-MOT Checklist for 1978 MG Roadster
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 indicators flash at the correct rate - check front, rear, and side repeaters
Lighting – Common fail on this model
- 3
Check for excessive play in steering wheel - should be minimal free movement
Steering – Common fail on this model
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Frequently Asked Questions
Is a 1978 MG Roadster likely to fail its MOT?
Based on DVSA statistics, the 1978 MG Roadster has a 80% 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 1978 MG Roadster?
The most common MOT failure reasons for a 1978 MG Roadster 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, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1978 MG Roadster 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, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1978 MG Roadsters fail their MOT?
Around 20% of 1978 MG Roadsters fail their MOT test, meaning roughly 1 in 5 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 1978 MG Roadster MOT?
Before your 1978 MG Roadster 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, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning. 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 1978 MG Roadster reliable for MOT?
With a 80% MOT pass rate, the 1978 MG Roadster performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.