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Pass Your MOT

1990 Morgan 4/4 MOT Pass Rate

Pass rate for 4/4 models manufactured in 1990, based on 668 real MOT test results.

82.6%
Pass Rate
17.4%
Fail Rate
668
Total Tests
35,301
Avg Mileage

Data from official DVSA MOT testing records

This page shows all 4/4 cars tested in 1990. Want to see how cars built in 1990 hold up over time?

View 1990 Morgan 4/4 vintage page โ†’ (88.6% current pass rate)

1990 Morgan 4/4 MOT Analysis

The 1990 Morgan 4/4 has an MOT pass rate of 82.6% based on 668 tests โ€” well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 35,301 miles on the odometer. With a 17.4% failure rate, the 1990 4/4 is rated as "Excellent" for MOT reliability.

The leading cause of MOT failure for the 1990 Morgan 4/4 is Noise, emissions and leaks, responsible for 0.6% 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 ยฃ100โ€“1,000+. Suspension is the second most common issue at 0.4%. Body, chassis, structure follows at 0.1%.

Top failures specific to 1990 models only. The overall 4/4 page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Noise, Emissions And Leaks0.6%4
2Suspension0.4%3
3Body, Chassis, Structure0.1%1
4Brakes0.1%1
5Lamps, Reflectors And Electrical Equipment0.1%1

Failures per 10,000 Miles

avg. 35,301 mi

For 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.

Noise, emissions and leaks0.17% per 10K miSuspension0.13% per 10K miBody & Structure0.04% per 10K miBrakes0.04% per 10K miLamps & Electrical0.04% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Noise, emissions and leaks0.170.6%4
Suspension0.130.4%3
Body & Structure0.040.1%1
Brakes0.040.1%1
Lamps & Electrical0.040.1%1

Mileage Statistics

35,301
Mean
39,016
Median
26,329
25th Percentile
48,773
75th Percentile
4.93% failures per 10K miles

Mileage-adjusted failure rate โ€” accounts for how much this model year is typically driven.

About This Data

The 1990 Morgan 4/4 has an MOT pass rate of 82.6% based on 668 tests โ€” well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 35,301 miles on the odometer. With a 17.4% failure rate, the 1990 4/4 is rated as "Excellent" for MOT reliability.

If you own or are considering buying a 1990 Morgan 4/4, 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 35,301 miles, many of these vehicles are still in good mechanical condition.

Noise, emissions and leaks โ€” 0.6% of failures

Noise, emissions and leaks issues account for 0.6% of MOT failures on 1990 Morgan 4/4 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: ยฃ100โ€“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.

Suspension โ€” 0.4% of failures

Suspension issues account for 0.4% of MOT failures on 1990 Morgan 4/4 models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: ยฃ200โ€“500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.

Body, chassis, structure โ€” 0.1% of failures

Body, chassis, structure issues account for 0.1% of MOT failures on 1990 Morgan 4/4 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: ยฃ100โ€“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.

Based on DVSA anonymised MOT test data (2005โ€“2024). Crown copyright, Open Government Licence v3.0.

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