DVSA Statistics
1991 Ford Sierra
MOT Pass Rate & Pre-MOT Checklist
Used 1991 Ford Sierras usually pass their MOT, but around 1 in 9 still fail, most often for the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension pin, bush or joint excessively worn and a tyre seriously damaged. Based on 328 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 328 DVSA anonymised MOT tests · About this data
Pass Rate
89%
Higher than average
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 328 recorded tests.
Pre-MOT Checklist for 1991 Ford Sierra
Based on common failure points for this model, check these items before your MOT:
- 1
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
- 2
Check tyre tread depth is at least 1.6mm across the central 3/4 of the tyre
Tyres – Common fail on this model
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Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Ford Sierra.
Frequently Asked Questions
Is a 1991 Ford Sierra likely to fail its MOT?
Based on DVSA statistics, the 1991 Ford Sierra has a 89% 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 1991 Ford Sierra?
The most common MOT failure reasons for a 1991 Ford Sierra are: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension pin, bush or joint excessively worn, a tyre seriously damaged. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1991 Ford Sierra fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension pin, bush or joint excessively worn, a tyre seriously damaged. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1991 Ford Sierras fail their MOT?
Around 11% of 1991 Ford Sierras fail their MOT test, meaning roughly 1 in 9 don't pass first time. The most common reasons are the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired and a suspension pin, bush or joint excessively worn. Pre-checking these items can significantly improve your chances.
What should I check before my 1991 Ford Sierra MOT?
Before your 1991 Ford Sierra MOT, check these commonly-failed items: the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, a suspension pin, bush or joint excessively worn, a tyre seriously damaged. 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 1991 Ford Sierra reliable for MOT?
With a 89% MOT pass rate, the 1991 Ford Sierra performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.