DVSA Statistics
1958 Triumph Unclassified
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1958 Triumph Unclassified (only 6 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 6 DVSA anonymised MOT tests · About this data
Pass Rate
83.3%
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 6 recorded tests.
Pre-MOT Checklist for 1958 Triumph Unclassified
Based on common failure points for this model, check these items before your MOT:
- 1
Check for excessive play in steering wheel - should be minimal free movement
Steering – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
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Frequently Asked Questions
Is a 1958 Triumph Unclassified likely to fail its MOT?
Based on DVSA statistics, the 1958 Triumph Unclassified has a 83.3% 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 1958 Triumph Unclassified?
The most common MOT failure reasons for a 1958 Triumph Unclassified are: steering head bearings have excessive wear or play, brake efficiency below minimum requirement. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1958 Triumph Unclassified fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: steering head bearings have excessive wear or play, brake efficiency below minimum requirement. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1958 Triumph Unclassifieds fail their MOT?
Around 17% of 1958 Triumph Unclassifieds fail their MOT test, meaning roughly 1 in 6 don't pass first time. The most common reasons are steering head bearings have excessive wear or play and brake efficiency below minimum requirement. Pre-checking these items can significantly improve your chances.
What should I check before my 1958 Triumph Unclassified MOT?
Before your 1958 Triumph Unclassified MOT, check these commonly-failed items: steering head bearings have excessive wear or play, brake efficiency below minimum requirement. 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 1958 Triumph Unclassified reliable for MOT?
With a 83.3% MOT pass rate, the 1958 Triumph Unclassified performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.