1991 Morgan +4 MOT Pass Rate
Pass rate for +4 models manufactured in 1991, based on 37 real MOT test results.
Data from official DVSA MOT testing records
1991 Morgan +4 MOT Analysis
The 1991 Morgan +4 has an MOT pass rate of 73.0% based on 37 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 54,747 miles on the odometer. With a 27.0% failure rate, the 1991 +4 is rated as "Very Good" for MOT reliability.
The leading cause of MOT failure for the 1991 Morgan +4 is Identification of the vehicle, responsible for 5.4% of failures. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs range from £10–50. Seat belts and supplementary restraint systems is the second most common issue at 5.4%.
Top failures specific to 1991 models only. The overall +4 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 | Identification Of The Vehicle | 5.4% | 2 |
| 2 | Seat Belts And Supplementary Restraint Systems | 5.4% | 2 |
Failures per 10,000 Miles
avg. 54,747 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 |
|---|---|---|---|
| Identification of the vehicle | 0.99 | 5.4% | 2 |
| Seat Belts | 0.99 | 5.4% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1991 Morgan +4 has an MOT pass rate of 73.0% based on 37 tests — above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 54,747 miles on the odometer. With a 27.0% failure rate, the 1991 +4 is rated as "Very Good" for MOT reliability.
If you own or are considering buying a 1991 Morgan +4, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to identification of the vehicle: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing. At 54,747 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Identification of the vehicle — 5.4% of failures
Identification of the vehicle issues account for 5.4% of MOT failures on 1991 Morgan +4 models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.
Seat belts and supplementary restraint systems — 5.4% of failures
Seat belts and supplementary restraint systems issues account for 5.4% of MOT failures on 1991 Morgan +4 models. Seat belt failures include frayed or cut webbing, faulty retractors, buckles that don't latch properly, and missing or damaged anchorages. All fitted seat belts must be functional. Typical repair costs: £50–200 per belt. Pre-MOT check: Pull each seat belt fully out and check for fraying, cuts, or fading. Ensure each belt retracts smoothly and the buckle clicks securely. Check the pre-tensioner warning light on the dashboard.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.