DVSA Statistics
1979 MG Mgb
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1979 MG Mgb (only 12 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 12 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
Parts Available
Worn tyres are a safety issue and common MOT fail.
Based on DVSA statistics from 12 recorded tests.
Pre-MOT Checklist for 1979 MG Mgb
Based on common failure points for this model, check these items before your MOT:
- 1
Check tyre tread depth is at least 1.6mm across the central 3/4 of the tyre
Tyres – Common fail on this model
- 2
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
- 3
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
How Does This Compare to Other Years?
Previous Year
1978 MG Mgb
Based on 20 UK MOT tests
Next Year
1980 MG Mgb
Based on 14 UK MOT tests
The 1979 model has a lower pass rate than 1978, but performs better than 1980.
Why Trust This Data?
Official UK Government Source
This data comes from the UK's Driver and Vehicle Standards Agency (DVSA), the official body responsible for MOT testing standards. The anonymised MOT test data is published via data.gov.uk.
Understanding the Statistics
This page is based on 12 MOT tests from the 2023 DVSA dataset. Your 1979 MG Mgb was 44 years old when this data was collected and is now 47 years old.
Sample Size
Limited data - 12 tests (use as rough guide only)
Limitations
Statistics reflect average outcomes and don't account for maintenance history, mileage, or regional variations. Individual results will vary based on how well a vehicle has been maintained.
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact MG Mgb.
Frequently Asked Questions
Is a 1979 MG Mgb likely to fail its MOT?
Based on DVSA statistics, the 1979 MG Mgb 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 1979 MG Mgb?
The most common MOT failure reasons for a 1979 MG Mgb are: a tyre seriously damaged, emissions levels exceed default limits, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. 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 fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a tyre seriously damaged, emissions levels exceed default limits, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1979 MG Mgbs fail their MOT?
Around 33% of 1979 MG Mgbs fail their MOT test, meaning roughly 1 in 3 don't pass first time. The most common reasons are a tyre seriously damaged and emissions levels exceed default limits. Pre-checking these items can significantly improve your chances.
What should I check before my 1979 MG Mgb MOT?
Before your 1979 MG Mgb MOT, check these commonly-failed items: a tyre seriously damaged, emissions levels exceed default limits, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. 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 reliable for MOT?
With a 66.7% MOT pass rate, the 1979 MG Mgb performs about average compared to typical vehicles. This is typical performance for vehicles in this age bracket.