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1989 Austin Mini Thirty MOT Pass Rate

Pass rate for Mini Thirty models manufactured in 1989, based on 5,526 real MOT test results.

54.2%
Pass Rate
45.8%
Fail Rate
5,526
Total Tests
57,161
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Mini Thirty cars tested in 1989. Want to see how cars built in 1989 hold up over time?

View 1989 Austin Mini Thirty vintage page → (70.7% current pass rate)

1989 Austin Mini Thirty MOT Analysis

The 1989 Austin Mini Thirty has an MOT pass rate of 54.2% based on 5,526 tests — below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 57,161 miles on the odometer. With a 45.8% failure rate, the 1989 Mini Thirty is rated as "Poor" for MOT reliability.

The leading cause of MOT failure for the 1989 Austin Mini Thirty is Lamps, reflectors and electrical equipment, responsible for 2.9% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Suspension is the second most common issue at 2.8%. Noise, emissions and leaks follows at 1.3%.

Top failures specific to 1989 models only. The overall Mini Thirty page may show different rankings.

What Fails Most

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
1Lamps, Reflectors And Electrical Equipment2.9%160
2Suspension2.8%152
3Noise, Emissions And Leaks1.3%72
4Brakes1.2%68
5Body, Chassis, Structure1.1%60
6Tyres0.8%42
7Visibility0.6%32
8Steering0.3%16
9Seat Belts And Supplementary Restraint Systems0.1%6
10Road Wheels0.1%4
11Non-component Advisories0.1%4

Failures per 10,000 Miles

avg. 57,161 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.

Lamps & Electrical0.51% per 10K miSuspension0.48% per 10K miNoise, emissions and leaks0.23% per 10K miBrakes0.22% per 10K miBody & Structure0.19% per 10K miTyres0.13% per 10K miVisibility0.10% per 10K miSteering0.05% per 10K miSeat Belts0.02% per 10K miWheels0.01% per 10K miNon-component advisories0.01% per 10K miIdentification of the vehicle0.01% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Lamps & Electrical0.512.9%160
Suspension0.482.8%152
Noise, emissions and leaks0.231.3%72
Brakes0.221.2%68
Body & Structure0.191.1%60
Tyres0.130.8%42
Visibility0.100.6%32
Steering0.050.3%16
Seat Belts0.020.1%6
Wheels0.010.1%4
Non-component advisories0.010.1%4
Identification of the vehicle0.010.0%2

Mileage Statistics

57,161
Mean
62,527
Median
28,327
25th Percentile
75,811
75th Percentile
8.01% failures per 10K miles

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

About This Data

The 1989 Austin Mini Thirty has an MOT pass rate of 54.2% based on 5,526 tests — below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 57,161 miles on the odometer. With a 45.8% failure rate, the 1989 Mini Thirty is rated as "Poor" for MOT reliability.

If you own or are considering buying a 1989 Austin Mini Thirty, be prepared for above-average maintenance costs. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. At 57,161 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Lamps, reflectors and electrical equipment — 2.9% of failures

Lamps, reflectors and electrical equipment issues account for 2.9% of MOT failures on 1989 Austin Mini Thirty models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.

Suspension — 2.8% of failures

Suspension issues account for 2.8% of MOT failures on 1989 Austin Mini Thirty models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.

Noise, emissions and leaks — 1.3% of failures

Noise, emissions and leaks issues account for 1.3% of MOT failures on 1989 Austin Mini Thirty 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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