DVSA Statistics
1973 Triumph Stag Auto
MOT Pass Rate & Pre-MOT Checklist
Used 1973 Triumph Stag Autos usually pass their MOT, but around 7% still fail, most often for steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users and a flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched. Based on 68 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 68 DVSA anonymised MOT tests · About this data
Pass Rate
92.6%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Parts Available
Brakes are a common wear item.
Based on DVSA statistics from 68 recorded tests.
Pre-MOT Checklist for 1973 Triumph Stag Auto
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 1973 Triumph Stag Auto likely to fail its MOT?
Based on DVSA statistics, the 1973 Triumph Stag Auto has a 92.6% 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 1973 Triumph Stag Auto?
The most common MOT failure reasons for a 1973 Triumph Stag Auto are: steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, a flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1973 Triumph Stag Auto fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, a flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1973 Triumph Stag Autos fail their MOT?
Around 7% of 1973 Triumph Stag Autos fail their MOT test, meaning roughly 1 in 14 don't pass first time. The most common reasons are steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc 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 1973 Triumph Stag Auto MOT?
Before your 1973 Triumph Stag Auto MOT, check these commonly-failed items: steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, a flexible brake hose excessively damaged, deteriorated, chafed, twisted or stretched. 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 1973 Triumph Stag Auto reliable for MOT?
With a 92.6% MOT pass rate, the 1973 Triumph Stag Auto performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.