DVSA Statistics
1973 Porsche 911
MOT Pass Rate & Pre-MOT Checklist
Used 1973 Porsche 911s usually pass their MOT, but around 1 in 7 still fail, most often for a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, windscreen washers not working or not providing sufficient fluid to clear the windscreen and the aim of a headlamp is not within limits laid down in the requirements. Based on 50 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 50 DVSA anonymised MOT tests · About this data
Pass Rate
86%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Windscreen wipers are easy to replace yourself.
Based on DVSA statistics from 50 recorded tests.
Pre-MOT Checklist for 1973 Porsche 911
Based on common failure points for this model, check these items before your MOT:
- 1
Check windscreen for chips or cracks in the driver view zone (Zone A)
Visibility – Common fail on this model
- 2
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
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Frequently Asked Questions
Is a 1973 Porsche 911 likely to fail its MOT?
Based on DVSA statistics, the 1973 Porsche 911 has a 86% 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 1973 Porsche 911?
The most common MOT failure reasons for a 1973 Porsche 911 are: a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, windscreen washers not working or not providing sufficient fluid to clear the windscreen, 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 1973 Porsche 911 fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, windscreen washers not working or not providing sufficient fluid to clear the windscreen, 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 1973 Porsche 911s fail their MOT?
Around 14% of 1973 Porsche 911s fail their MOT test, meaning roughly 1 in 7 don't pass first time. The most common reasons are a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning and windscreen washers not working or not providing sufficient fluid to clear the windscreen. Pre-checking these items can significantly improve your chances.
What should I check before my 1973 Porsche 911 MOT?
Before your 1973 Porsche 911 MOT, check these commonly-failed items: a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, windscreen washers not working or not providing sufficient fluid to clear the windscreen, 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 1973 Porsche 911 reliable for MOT?
With a 86% MOT pass rate, the 1973 Porsche 911 performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.