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1980 Austin Morris Mini Hl MOT Pass Rate

Pass rate for Mini Hl models manufactured in 1980, based on 136 real MOT test results.

41.9%
Pass Rate
58.1%
Fail Rate
136
Total Tests
51,598
Avg Mileage

Data from official DVSA MOT testing records

1980 Austin Morris Mini Hl MOT Analysis

The 1980 Austin Morris Mini Hl has an MOT pass rate of 41.9% based on 136 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 51,598 miles on the odometer. With a 58.1% failure rate, the 1980 Mini Hl is rated as "Very Poor" for MOT reliability.

The leading cause of MOT failure for the 1980 Austin Morris Mini Hl is Non-component advisories, responsible for 1.5% of failures. Non-component advisories issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs range from £100–400. Steering is the second most common issue at 1.5%. Noise, emissions and leaks follows at 0.7%.

Top failures specific to 1980 models only. The overall Mini Hl page may show different rankings.

What Fails Most

Non-component advisories 1.5%
Steering 1.5%

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Non-component Advisories1.5%2
2Steering1.5%2
3Noise, Emissions And Leaks0.7%1

Failures per 10,000 Miles

avg. 51,598 mi

For every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.

Non-component advisories0.29% per 10K miSteering0.29% per 10K miNoise, emissions and leaks0.14% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Non-component advisories0.291.5%2
Steering0.291.5%2
Noise, emissions and leaks0.140.7%1

Mileage Statistics

51,598
Mean
51,558
Median
32,143
25th Percentile
77,266
75th Percentile
11.26% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1980 Austin Morris Mini Hl has an MOT pass rate of 41.9% based on 136 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 51,598 miles on the odometer. With a 58.1% failure rate, the 1980 Mini Hl is rated as "Very Poor" for MOT reliability.

If you own or are considering buying a 1980 Austin Morris Mini Hl, be prepared for above-average maintenance costs. Before your MOT, pay particular attention to non-component advisories: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. At 51,598 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Non-component advisories — 1.5% of failures

Non-component advisories issues account for 1.5% of MOT failures on 1980 Austin Morris Mini Hl models. Non-component advisories issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.

Steering — 1.5% of failures

Steering issues account for 1.5% of MOT failures on 1980 Austin Morris Mini Hl models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.

Noise, emissions and leaks — 0.7% of failures

Noise, emissions and leaks issues account for 0.7% of MOT failures on 1980 Austin Morris Mini Hl models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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