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1966 MG Unclassified MOT Pass Rate

Pass rate for Unclassified models manufactured in 1966, based on 328 real MOT test results.

64.9%
Pass Rate
35.1%
Fail Rate
328
Total Tests
41,801
Avg Mileage

Data from official DVSA MOT testing records

This page shows all Unclassified cars tested in 1966. Want to see how cars built in 1966 hold up over time?

View 1966 MG Unclassified vintage page โ†’ (61.9% current pass rate)

1966 MG Unclassified MOT Analysis

The 1966 MG Unclassified has an MOT pass rate of 64.9% based on 328 tests โ€” around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,801 miles on the odometer. With a 35.1% failure rate, the 1966 Unclassified is rated as "Average" for MOT reliability.

The leading cause of MOT failure for the 1966 MG Unclassified is Steering, responsible for 0.6% of failures. 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 range from ยฃ150โ€“600. Brakes is the second most common issue at 0.3%.

Top failures specific to 1966 models only. The overall Unclassified page may show different rankings.

What Fails Most

Steering 0.6%
Brakes 0.3%

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
1Steering0.6%2
2Brakes0.3%1

Failures per 10,000 Miles

avg. 41,801 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.

Steering0.15% per 10K miBrakes0.07% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Steering0.150.6%2
Brakes0.070.3%1

Mileage Statistics

41,801
Mean
45,661
Median
40,437
25th Percentile
50,686
75th Percentile
8.40% failures per 10K miles

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

About This Data

The 1966 MG Unclassified has an MOT pass rate of 64.9% based on 328 tests โ€” around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,801 miles on the odometer. With a 35.1% failure rate, the 1966 Unclassified is rated as "Average" for MOT reliability.

If you own or are considering buying a 1966 MG Unclassified, budget for potential repairs before each MOT. Before your MOT, pay particular attention to steering: 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. With relatively low average mileage of 41,801 miles, many of these vehicles are still in good mechanical condition.

Steering โ€” 0.6% of failures

Steering issues account for 0.6% of MOT failures on 1966 MG Unclassified 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: ยฃ150โ€“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.

Brakes โ€” 0.3% of failures

Brakes issues account for 0.3% of MOT failures on 1966 MG Unclassified models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components โ€” any brake deficiency will result in an MOT fail. Typical repair costs: ยฃ150โ€“400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel โ€” if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

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

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