DVSA Statistics
1978 Triumph Dolomite
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1978 Triumph Dolomite (only 23 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 23 DVSA anonymised MOT tests · About this data
Pass Rate
82.6%
Higher 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 23 recorded tests.
Pre-MOT Checklist for 1978 Triumph Dolomite
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
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
- 3
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
How Does This Compare to Other Years?
Previous Year
1977 Triumph Dolomite
Based on 27 UK MOT tests
Next Year
1979 Triumph Dolomite
Based on 18 UK MOT tests
Compare how MOT performance varies across Triumph Dolomite model years.
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 23 MOT tests from the 2023 DVSA dataset. Your 1978 Triumph Dolomite was 45 years old when this data was collected and is now 48 years old.
Sample Size
Limited data - 23 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 Triumph Dolomite.
Frequently Asked Questions
Is a 1978 Triumph Dolomite likely to fail its MOT?
Based on DVSA statistics, the 1978 Triumph Dolomite has a 82.6% 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 Triumph Dolomite?
The most common MOT failure reasons for a 1978 Triumph Dolomite are: significant brake effort recorded with no brake applied indicating a binding brake, brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., 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 1978 Triumph Dolomite fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: significant brake effort recorded with no brake applied indicating a binding brake, brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., 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 1978 Triumph Dolomites fail their MOT?
Around 17% of 1978 Triumph Dolomites fail their MOT test, meaning roughly 1 in 6 don't pass first time. The most common reasons are significant brake effort recorded with no brake applied indicating a binding brake and brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle.. Pre-checking these items can significantly improve your chances.
What should I check before my 1978 Triumph Dolomite MOT?
Before your 1978 Triumph Dolomite MOT, check these commonly-failed items: significant brake effort recorded with no brake applied indicating a binding brake, brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., 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 1978 Triumph Dolomite reliable for MOT?
With a 82.6% MOT pass rate, the 1978 Triumph Dolomite performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.