DVSA Statistics
1986 Ford Sierra
MOT Pass Rate & Pre-MOT Checklist
Used 1986 Ford Sierras usually pass their MOT, but around 8% still fail, most often for a position lamp adversely affected by the operation of any other lamp, brake pipe damaged or excessively corroded and fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Based on 235 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 235 DVSA anonymised MOT tests · About this data
Pass Rate
92.3%
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 235 recorded tests.
Pre-MOT Checklist for 1986 Ford Sierra
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
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – 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
1985 Ford Sierra
Based on 55 UK MOT tests
Next Year
1987 Ford Sierra
Based on 383 UK MOT tests
Compare how MOT performance varies across Ford Sierra 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 235 MOT tests from the 2023 DVSA dataset. Your 1986 Ford Sierra was 37 years old when this data was collected and is now 40 years old.
Sample Size
High confidence - 235 tests (statistically reliable)
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 Ford Sierra.
Frequently Asked Questions
Is a 1986 Ford Sierra likely to fail its MOT?
Based on DVSA statistics, the 1986 Ford Sierra has a 92.3% 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 1986 Ford Sierra?
The most common MOT failure reasons for a 1986 Ford Sierra are: a position lamp adversely affected by the operation of any other lamp, brake pipe damaged or excessively corroded, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1986 Ford Sierra fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a position lamp adversely affected by the operation of any other lamp, brake pipe damaged or excessively corroded, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1986 Ford Sierras fail their MOT?
Around 8% of 1986 Ford Sierras fail their MOT test, meaning roughly 1 in 13 don't pass first time. The most common reasons are a position lamp adversely affected by the operation of any other lamp and brake pipe damaged or excessively corroded. Pre-checking these items can significantly improve your chances.
What should I check before my 1986 Ford Sierra MOT?
Before your 1986 Ford Sierra MOT, check these commonly-failed items: a position lamp adversely affected by the operation of any other lamp, brake pipe damaged or excessively corroded, fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users. 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 1986 Ford Sierra reliable for MOT?
With a 92.3% MOT pass rate, the 1986 Ford Sierra performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.