1979 Volkswagen Derby MOT Pass Rate
Pass rate for Derby models manufactured in 1979, based on 47 real MOT test results.
Data from official DVSA MOT testing records
1979 Volkswagen Derby MOT Analysis
The 1979 Volkswagen Derby has an MOT pass rate of 68.1% based on 47 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 57,533 miles on the odometer. With a 31.9% failure rate, the 1979 Derby is rated as "Good" for MOT reliability.
The leading cause of MOT failure for the 1979 Volkswagen Derby is Non-component advisories, responsible for 2.1% 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. Road Wheels is the second most common issue at 2.1%. Visibility follows at 2.1%.
Top failures specific to 1979 models only. The overall Derby page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Non-component Advisories | 2.1% | 1 |
| 2 | Road Wheels | 2.1% | 1 |
| 3 | Visibility | 2.1% | 1 |
Failures per 10,000 Miles
avg. 57,533 miFor 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.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Non-component advisories | 0.37 | 2.1% | 1 |
| Wheels | 0.37 | 2.1% | 1 |
| Visibility | 0.37 | 2.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1979 Volkswagen Derby has an MOT pass rate of 68.1% based on 47 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 57,533 miles on the odometer. With a 31.9% failure rate, the 1979 Derby is rated as "Good" for MOT reliability.
If you own or are considering buying a 1979 Volkswagen Derby, you can expect reliable MOT performance overall. 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 57,533 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Non-component advisories — 2.1% of failures
Non-component advisories issues account for 2.1% of MOT failures on 1979 Volkswagen Derby 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.
Road Wheels — 2.1% of failures
Road Wheels issues account for 2.1% of MOT failures on 1979 Volkswagen Derby models. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs: £100–400 per wheel. Pre-MOT check: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels.
Visibility — 2.1% of failures
Visibility issues account for 2.1% of MOT failures on 1979 Volkswagen Derby 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.