1987 General Motors Unclassified MOT Pass Rate
Pass rate for Unclassified models manufactured in 1987, based on 42 real MOT test results.
Data from official DVSA MOT testing records
1987 General Motors Unclassified MOT Analysis
The 1987 General Motors Unclassified has an MOT pass rate of 71.4% based on 42 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 67,996 miles on the odometer. With a 28.6% failure rate, the 1987 Unclassified is rated as "Very Good" for MOT reliability.
The leading cause of MOT failure for the 1987 General Motors Unclassified is Brakes, responsible for 14.3% 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. Steering is the second most common issue at 4.8%. Non-component advisories follows at 4.8%.
Top failures specific to 1987 models only. The overall Unclassified 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 | Brakes | 14.3% | 6 |
| 2 | Steering | 4.8% | 2 |
| 3 | Non-component Advisories | 4.8% | 2 |
| 4 | Noise, Emissions And Leaks | 2.4% | 1 |
Failures per 10,000 Miles
avg. 67,996 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Brakes | 2.10 | 14.3% | 6 |
| Steering | 0.70 | 4.8% | 2 |
| Non-component advisories | 0.70 | 4.8% | 2 |
| Noise, emissions and leaks | 0.35 | 2.4% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1987 General Motors Unclassified has an MOT pass rate of 71.4% based on 42 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 67,996 miles on the odometer. With a 28.6% failure rate, the 1987 Unclassified is rated as "Very Good" for MOT reliability.
If you own or are considering buying a 1987 General Motors Unclassified, you can expect reliable MOT performance overall. 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 67,996 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Brakes — 14.3% of failures
Brakes issues account for 14.3% of MOT failures on 1987 General Motors 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).
Steering — 4.8% of failures
Steering issues account for 4.8% of MOT failures on 1987 General Motors 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: £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.
Non-component advisories — 4.8% of failures
Non-component advisories issues account for 4.8% of MOT failures on 1987 General Motors Unclassified 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.