DVSA Statistics
1999 Porsche Unclassified
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1999 Porsche Unclassified (only 22 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 22 DVSA anonymised MOT tests · About this data
Pass Rate
90.9%
Higher than average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Number plate lights are a quick fix.
Based on DVSA statistics from 22 recorded tests.
Pre-MOT Checklist for 1999 Porsche Unclassified
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
Ensure number plate lights work and plates are clean and legible
Lighting – Common fail on this model
- 3
Check wiper blades for wear, cracks, and smearing - replace if damaged
Visibility – Common fail on this model
- 4
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
Do you own this car?
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Frequently Asked Questions
Is a 1999 Porsche Unclassified likely to fail its MOT?
Based on DVSA statistics, the 1999 Porsche Unclassified has a 90.9% 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 1999 Porsche Unclassified?
The most common MOT failure reasons for a 1999 Porsche Unclassified are: steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, power steering fluid leaking or system malfunctioning, number plate inscription missing or illegible. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1999 Porsche Unclassified 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, power steering fluid leaking or system malfunctioning, number plate inscription missing or illegible. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1999 Porsche Unclassifieds fail their MOT?
Around 9% of 1999 Porsche Unclassifieds fail their MOT test, meaning roughly 1 in 11 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 power steering fluid leaking or system malfunctioning. Pre-checking these items can significantly improve your chances.
What should I check before my 1999 Porsche Unclassified MOT?
Before your 1999 Porsche Unclassified MOT, check these commonly-failed items: steering rack gaiter or ball joint dust cover missing or no longer prevents the ingress of dirt etc, power steering fluid leaking or system malfunctioning, number plate inscription missing or illegible. 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 1999 Porsche Unclassified reliable for MOT?
With a 90.9% MOT pass rate, the 1999 Porsche Unclassified performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.