Morgan Plus Four Reliability and Common Problems
Typical MOT issues to check on the Morgan Plus Four, with rough repair costs, and its MOT pass rate for each model year. Based on 234 MOT tests across 2 model years (DVSA data for tests carried out in 2024, retests included).
Segment: family car | Fuel: Petrol
91%
Morgan Plus Four pass rate
92%
Morgan average
82%
All-model average
The Morgan Plus Four has an average MOT pass rate of 91%, which is 1 point below the Morgan average and 9 points above the average across all models in our data.
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Common MOT Issues to Check on the Morgan Plus Four
Typical issues for a car of this age and type, estimated from its age, fuel type and engine size (not counted from its MOT records), with rough repair costs
Brakes
High likelihood£80 - £450
Typical repair cost
Common advisories:
Brake discs worn, brake pads thin, handbrake adjustment needed
Failure points:
Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum
Suspension
High likelihood£150 - £600
Typical repair cost
Common advisories:
Suspension arm bush worn, shock absorber misting, spring corroded
Failure points:
Coil spring broken, ball joint excessive play, shock absorber leaking
Lights
High likelihood£15 - £200
Typical repair cost
Common advisories:
Headlamp aim slightly out, lens deteriorated
Failure points:
Headlamp not working, brake light not functioning, indicator failure
Exhaust & Emissions
High likelihood£80 - £800
Typical repair cost
Common advisories:
Exhaust mounting corroded, slight exhaust leak
Failure points:
Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning
Steering
High likelihood£100 - £500
Typical repair cost
Common advisories:
Track rod end has slight play, steering rack boot deteriorated
Failure points:
Steering rack leaking, track rod ball joint worn beyond limits
Tyres
Moderate likelihood£50 - £300
Typical repair cost
Common advisories:
Tyre approaching legal limit, slight damage to sidewall
Failure points:
Tyre below minimum tread depth, tyre has a cut exposing ply
Body & Structure
Moderate likelihood£200 - £1200
Typical repair cost
Common advisories:
Surface corrosion on subframe, slight body panel damage
Failure points:
Structural corrosion, body mounting corroded through, chassis weakness
Windscreen & Wipers
Lower likelihood£10 - £350
Typical repair cost
Common advisories:
Minor windscreen chip, wiper blade deteriorated
Failure points:
Windscreen crack in swept area, wiper does not clear windscreen
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Morgan Plus Four Reliability by Year
MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.
Morgan Plus Four Running Costs
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Morgan Plus Four FAQ
What are the most common Morgan Plus Four problems?
Typical issues to check on a Morgan Plus Four of this age and type are brakes, suspension, lights, exhaust & emissions and steering. These are estimated from its age, fuel type and engine size, not counted from its MOT records. Across 234 MOT tests (DVSA MOT data for tests in 2024, retests included), 91% ended in a pass.
Is the Morgan Plus Four reliable?
The Morgan Plus Four has an average MOT pass rate of 91%, from 234 MOT tests. That is 9 points above the average across all models in our data (82%), a better than average result. Pass rates fall as cars age, so compare it with cars of a similar age.
How much does it cost to fix common Morgan Plus Four faults?
As a rough guide, brake work on a Morgan Plus Four typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Morgan Plus Four
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Other Morgan Models
Common problems pages for other Morgan models