DVSA Statistics
1989 Porsche 928
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1989 Porsche 928 (only 33 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 33 DVSA anonymised MOT tests · About this data
Pass Rate
87.9%
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
Headlight bulbs are a common MOT fail. Easy DIY replacement.
Based on DVSA statistics from 33 recorded tests.
Pre-MOT Checklist for 1989 Porsche 928
Based on common failure points for this model, check these items before your MOT:
- 1
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
- 2
Check exhaust for leaks, holes, or excessive corrosion - listen for blowing
Exhaust – Common fail on this model
- 3
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
- 4
Check windscreen for chips or cracks in the driver view zone (Zone A)
Visibility – 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 Porsche 928.
Frequently Asked Questions
Is a 1989 Porsche 928 likely to fail its MOT?
Based on DVSA statistics, the 1989 Porsche 928 has a 87.9% 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 1989 Porsche 928?
The most common MOT failure reasons for a 1989 Porsche 928 are: emissions levels exceed default limits, exhaust system leaking or insecure, the aim of a headlamp is not within limits laid down in 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 1989 Porsche 928 fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: emissions levels exceed default limits, exhaust system leaking or insecure, the aim of a headlamp is not within limits laid down in the requirements. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1989 Porsche 928s fail their MOT?
Around 12% of 1989 Porsche 928s fail their MOT test, meaning roughly 1 in 8 don't pass first time. The most common reasons are emissions levels exceed default limits and exhaust system leaking or insecure. Pre-checking these items can significantly improve your chances.
What should I check before my 1989 Porsche 928 MOT?
Before your 1989 Porsche 928 MOT, check these commonly-failed items: emissions levels exceed default limits, exhaust system leaking or insecure, the aim of a headlamp is not within limits laid down in 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 1989 Porsche 928 reliable for MOT?
With a 87.9% MOT pass rate, the 1989 Porsche 928 performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.