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1990 Leyland Daf Unclassified MOT Pass Rate

Pass rate for Unclassified models manufactured in 1990, based on 57 real MOT test results.

61.4%
Pass Rate
38.6%
Fail Rate
57
Total Tests
69,230
Avg Mileage

Data from official DVSA MOT testing records

1990 Leyland Daf Unclassified MOT Analysis

The 1990 Leyland Daf Unclassified has an MOT pass rate of 61.4% based on 57 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 69,230 miles on the odometer. With a 38.6% failure rate, the 1990 Unclassified is rated as "Average" for MOT reliability.

The leading cause of MOT failure for the 1990 Leyland Daf Unclassified is Brakes, responsible for 1.8% of failures. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs range from £150–400. Visibility is the second most common issue at 1.8%.

⚠ Based on limited data (57 tests)

Top failures specific to 1990 models only. The overall Unclassified page may show different rankings.

What Fails Most

Brakes 1.8%
Visibility 1.8%

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
1Brakes1.8%1
2Visibility1.8%1

Failures per 10,000 Miles

avg. 69,230 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.

Brakes0.25% per 10K miVisibility0.25% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Brakes0.251.8%1
Visibility0.251.8%1

Mileage Statistics

69,230
Mean
62,128
Median
51,240
25th Percentile
78,401
75th Percentile
5.58% failures per 10K miles

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

About This Data

The 1990 Leyland Daf Unclassified has an MOT pass rate of 61.4% based on 57 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 69,230 miles on the odometer. With a 38.6% failure rate, the 1990 Unclassified is rated as "Average" for MOT reliability.

If you own or are considering buying a 1990 Leyland Daf Unclassified, budget for potential repairs before each MOT. Before your MOT, pay particular attention to brakes: Listen for squealing or grinding noises. Check brake pedal feel — 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). At 69,230 average miles, these vehicles are in the mid-range where component wear starts to become a factor.

Brakes — 1.8% of failures

Brakes issues account for 1.8% of MOT failures on 1990 Leyland Daf Unclassified models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — 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).

Visibility — 1.8% of failures

Visibility issues account for 1.8% of MOT failures on 1990 Leyland Daf Unclassified models. Visibility failures relate to the windscreen, wipers, washers, mirrors, and view-obstructing damage. Cracks in the windscreen swept area, ineffective wipers, or empty washer bottles are common causes. Typical repair costs: £10–300. Pre-MOT check: Check the windscreen for chips and cracks — damage larger than 10mm in the driver's swept area or 40mm elsewhere will fail. Test washers and wipers. Ensure both door mirrors are intact and adjustable.

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

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