1985 Morgan Plus 4 MOT Pass Rate
Pass rate for Plus 4 models manufactured in 1985, based on 88 real MOT test results.
Data from official DVSA MOT testing records
1985 Morgan Plus 4 MOT Analysis
The 1985 Morgan Plus 4 has an MOT pass rate of 80.7% based on 88 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,874 miles on the odometer. With a 19.3% failure rate, the 1985 Plus 4 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1985 Morgan Plus 4 is Brakes, responsible for 3.4% 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. Body, chassis, structure is the second most common issue at 2.3%. Non-component advisories follows at 1.1%.
Top failures specific to 1985 models only. The overall Plus 4 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
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| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Brakes | 3.4% | 3 |
| 2 | Body, Chassis, Structure | 2.3% | 2 |
| 3 | Non-component Advisories | 1.1% | 1 |
| 4 | Suspension | 1.1% | 1 |
Failures per 10,000 Miles
avg. 41,874 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 | 0.81 | 3.4% | 3 |
| Body & Structure | 0.54 | 2.3% | 2 |
| Non-component advisories | 0.27 | 1.1% | 1 |
| Suspension | 0.27 | 1.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1985 Morgan Plus 4 has an MOT pass rate of 80.7% based on 88 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,874 miles on the odometer. With a 19.3% failure rate, the 1985 Plus 4 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1985 Morgan Plus 4, 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). With relatively low average mileage of 41,874 miles, many of these vehicles are still in good mechanical condition.
Brakes — 3.4% of failures
Brakes issues account for 3.4% of MOT failures on 1985 Morgan Plus 4 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).
Body, chassis, structure — 2.3% of failures
Body, chassis, structure issues account for 2.3% of MOT failures on 1985 Morgan Plus 4 models. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.
Non-component advisories — 1.1% of failures
Non-component advisories issues account for 1.1% of MOT failures on 1985 Morgan Plus 4 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.