DVSA Statistics
1985 Triumph Stag
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1985 Triumph Stag (only 3 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 3 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
Quick DIY Fix
Windscreen wipers are easy to replace yourself.
Based on DVSA statistics from 3 recorded tests.
Pre-MOT Checklist for 1985 Triumph Stag
Based on common failure points for this model, check these items before your MOT:
- 1
Check windscreen for chips or cracks in the driver view zone (Zone A)
Visibility – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 3
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Triumph Stag.
Frequently Asked Questions
Is a 1985 Triumph Stag likely to fail its MOT?
Based on DVSA statistics, the 1985 Triumph Stag 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 1985 Triumph Stag?
The most common MOT failure reasons for a 1985 Triumph Stag are: windscreen washers not working or not providing sufficient fluid to clear the windscreen, significant brake effort recorded with no brake applied indicating a binding brake, emissions levels exceed default limits. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1985 Triumph Stag fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: windscreen washers not working or not providing sufficient fluid to clear the windscreen, significant brake effort recorded with no brake applied indicating a binding brake, emissions levels exceed default limits. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1985 Triumph Stags fail their MOT?
Around 33% of 1985 Triumph Stags fail their MOT test, meaning roughly 1 in 3 don't pass first time. The most common reasons are windscreen washers not working or not providing sufficient fluid to clear the windscreen and significant brake effort recorded with no brake applied indicating a binding brake. Pre-checking these items can significantly improve your chances.
What should I check before my 1985 Triumph Stag MOT?
Before your 1985 Triumph Stag MOT, check these commonly-failed items: windscreen washers not working or not providing sufficient fluid to clear the windscreen, significant brake effort recorded with no brake applied indicating a binding brake, emissions levels exceed default limits. 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 1985 Triumph Stag reliable for MOT?
With a 66.7% MOT pass rate, the 1985 Triumph Stag performs about average compared to typical vehicles. This is typical performance for vehicles in this age bracket.