DVSA Statistics
1979 MG Mgb Gt
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1979 MG Mgb Gt (only 4 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 4 DVSA anonymised MOT tests · About this data
Pass Rate
50%
Lower than average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Parts Available
Brakes are a common wear item.
Based on DVSA statistics from 4 recorded tests.
Pre-MOT Checklist for 1979 MG Mgb Gt
Based on common failure points for this model, check these items before your MOT:
- 1
Test brakes for effectiveness, pull, and unusual noises when driving
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
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
- 4
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 Mgb Gt likely to fail its MOT?
Based on DVSA statistics, the 1979 MG Mgb Gt has a 50% MOT pass rate. This is below average, so extra pre-MOT checks are recommended.
What are the most common MOT failures on a 1979 MG Mgb Gt?
The most common MOT failure reasons for a 1979 MG Mgb Gt are: brake pipe damaged or excessively corroded, a steering ball joint with excessive wear or free play, a suspension pin, bush or joint excessively worn. 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 Mgb Gt fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: brake pipe damaged or excessively corroded, a steering ball joint with excessive wear or free play, a suspension pin, bush or joint excessively worn. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1979 MG Mgb Gts fail their MOT?
Around 50% of 1979 MG Mgb Gts fail their MOT test, meaning roughly 1 in 2 don't pass first time. The most common reasons are brake pipe damaged or excessively corroded and a steering ball joint with excessive wear or free play. Pre-checking these items can significantly improve your chances.
What should I check before my 1979 MG Mgb Gt MOT?
Before your 1979 MG Mgb Gt MOT, check these commonly-failed items: brake pipe damaged or excessively corroded, a steering ball joint with excessive wear or free play, a suspension pin, bush or joint excessively worn. 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 Mgb Gt reliable for MOT?
With a 50% MOT pass rate, the 1979 MG Mgb Gt performs below average compared to typical vehicles. Extra attention to pre-MOT checks is recommended for this model.