DVSA Statistics
1991 Porsche 944
MOT Pass Rate & Pre-MOT Checklist
Used 1991 Porsche 944s usually pass their MOT, but around 1 in 6 still fail, most often for brake disc or drum excessively weakened, insecure or fractured, brake pipe damaged or excessively corroded and tyre tread depth not in accordance with the requirements. Based on 329 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 329 DVSA anonymised MOT tests · About this data
Pass Rate
83.9%
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 329 recorded tests.
Pre-MOT Checklist for 1991 Porsche 944
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
Check tyre tread depth is at least 1.6mm across the central 3/4 of the tyre
Tyres – 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
1990 Porsche 944
Based on 345 UK MOT tests
Next Year
1992 Porsche 944
Based on 180 UK MOT tests
The 1991 model has a lower pass rate than 1990, but performs better than 1992.
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 329 MOT tests from the 2023 DVSA dataset. Your 1991 Porsche 944 was 32 years old when this data was collected and is now 35 years old.
Sample Size
High confidence - 329 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 Porsche 944.
Frequently Asked Questions
Is a 1991 Porsche 944 likely to fail its MOT?
Based on DVSA statistics, the 1991 Porsche 944 has a 83.9% 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 Porsche 944?
The most common MOT failure reasons for a 1991 Porsche 944 are: brake disc or drum excessively weakened, insecure or fractured, brake pipe damaged or excessively corroded, tyre tread depth not in accordance with the requirements. 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 Porsche 944 fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: brake disc or drum excessively weakened, insecure or fractured, brake pipe damaged or excessively corroded, tyre tread depth not in accordance with the requirements. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1991 Porsche 944s fail their MOT?
Around 16% of 1991 Porsche 944s fail their MOT test, meaning roughly 1 in 6 don't pass first time. The most common reasons are brake disc or drum excessively weakened, insecure or fractured and brake pipe damaged or excessively corroded. Pre-checking these items can significantly improve your chances.
What should I check before my 1991 Porsche 944 MOT?
Before your 1991 Porsche 944 MOT, check these commonly-failed items: brake disc or drum excessively weakened, insecure or fractured, brake pipe damaged or excessively corroded, tyre tread depth not in accordance with the requirements. 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 Porsche 944 reliable for MOT?
With a 83.9% MOT pass rate, the 1991 Porsche 944 performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.