At a Glance
We don't yet have enough MOT data for the Porsche 911 Original 901 to identify model-specific problems. Check back after the next DVSA data drop. Based on 14K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →
Below: the full MOT-data picture for the Porsche 911 Original 901 — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.
Porsche 911 Original 901 MOT Pass Rate
Across 14K MOT tests from DVSA data, the Porsche 911 Original 901 (1963–1973) has a fail rate of 24.1%.
All-time UK average fail rate: 34.9%
Tell Us About Your Problem
Help other Porsche 911 Original 901 owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Porsche 911 Original 901 owners — report a problem and we'll add it to the database
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Other Porsche 911 Generations
Original 901
1963–1973
0 problems
Current page
G-Series 930
1974–1989
0 problems
964
1989–1994
2 problems
993
1994–1998
0 problems
996
1998–2005
3 problems
997
2005–2012
0 problems
991
2012–2019
0 problems
992
2019–2025
0 problems
Frequently Asked Questions
What are the most common Porsche 911 Original 901 problems?
Based on DVSA MOT data for the Porsche 911 Original 901 (1963–1973), we have identified 0 common problems.
How reliable is the Porsche 911 Original 901?
This generation has 14K MOT tests on record with a 24.1% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.
What commonly fails the MOT on a Porsche 911 Original 901?
No common MOT failures have been identified for this generation yet.
Can I report a problem with my Porsche 911 Original 901?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Porsche 911 owners spot problems early. All submissions are reviewed before being added to the public database.
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