At a Glance
The Austin Allegro has 11 identified problems that occur more often than the UK average, with Brake performance below minimum being the most reported. Electrical is the most common MOT failure category. Based on 5K 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 Austin Allegro — 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.
Austin Allegro MOT Pass Rate
Across 5K MOT tests from DVSA data, the Austin Allegro (1973–1983) has a fail rate of 39.6%.
All-time UK average fail rate: 34.9%
Common Austin Allegro Problems
Owner-submitted reports plus patterns we've identified across 559 million UK MOT tests. Each MOT-derived item below — whether tagged as a Problem, Wear & Tear or Consumable — shows up noticeably more often on this generation than across the UK fleet, which is why it's here. Owner reports are pinned to the top by default; use the sort and filter pills below to view a specific tier or change the order.
Brake performance below minimum
627
occurrences
Suspension component mounting corroded
500
occurrences
Exhaust emissions above threshold (non-catalyst)
342
occurrences
Steering rack fault
195
occurrences
Windscreen washer not working
179
occurrences
Tell Us About Your Problem
Help other Austin Allegro owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Austin Allegro owners — report a problem and we'll add it to the database
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Problems by mileage
Common problems, MOT failures and advisories on the Austin Allegro, grouped by the mileage they typically appear at.
318 distinct problems · 10,805 total occurrences in current filter
Filter by fuel and engine size to narrow down to your car.
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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.
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Frequently Asked Questions
What are the most common Austin Allegro problems?
Based on DVSA MOT data for the Austin Allegro Allegro (1973–1983), we have identified 11 common problems. The most frequently reported is "Brake performance below minimum". Electrical is the most common MOT failure category.
How reliable is the Austin Allegro?
This generation has 5K MOT tests on record with a 39.6% 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 Austin Allegro?
There are 109 distinct MOT failure types recorded for the Allegro (1973–1983), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.
Can I report a problem with my Austin Allegro?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Austin Allegro owners spot problems early. All submissions are reviewed before being added to the public database.
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