2003 Morgan Plus 8 MOT Pass Rate
Pass rate for Plus 8 models manufactured in 2003, based on 358 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Plus 8 cars tested in 2003. Want to see how cars built in 2003 hold up over time?
View 2003 Morgan Plus 8 vintage page → (87.9% current pass rate)2003 Morgan Plus 8 MOT Analysis
The 2003 Morgan Plus 8 has an MOT pass rate of 78.5% based on 358 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 24,287 miles on the odometer. With a 21.5% failure rate, the 2003 Plus 8 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2003 Morgan Plus 8 is Noise, emissions and leaks, responsible for 1.4% of failures. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs range from £100–1,000+. Steering is the second most common issue at 0.8%. Seat belts and supplementary restraint systems follows at 0.6%.
Top failures specific to 2003 models only. The overall Plus 8 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 | Noise, Emissions And Leaks | 1.4% | 5 |
| 2 | Steering | 0.8% | 3 |
| 3 | Seat Belts And Supplementary Restraint Systems | 0.6% | 2 |
| 4 | Lamps, Reflectors And Electrical Equipment | 0.3% | 1 |
Failures per 10,000 Miles
avg. 24,287 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 |
|---|---|---|---|
| Noise, emissions and leaks | 0.58 | 1.4% | 5 |
| Steering | 0.35 | 0.8% | 3 |
| Seat Belts | 0.23 | 0.6% | 2 |
| Lamps & Electrical | 0.12 | 0.3% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2003 Morgan Plus 8 has an MOT pass rate of 78.5% based on 358 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 24,287 miles on the odometer. With a 21.5% failure rate, the 2003 Plus 8 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2003 Morgan Plus 8, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to noise, emissions and leaks: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help. With relatively low average mileage of 24,287 miles, many of these vehicles are still in good mechanical condition.
Noise, emissions and leaks — 1.4% of failures
Noise, emissions and leaks issues account for 1.4% of MOT failures on 2003 Morgan Plus 8 models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.
Steering — 0.8% of failures
Steering issues account for 0.8% of MOT failures on 2003 Morgan Plus 8 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.
Seat belts and supplementary restraint systems — 0.6% of failures
Seat belts and supplementary restraint systems issues account for 0.6% of MOT failures on 2003 Morgan Plus 8 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.