Morgan Plus 4 Series II–V (1955-2000) reliability
Morgan Plus 4 Series II–V built before 2000: not enough MOT data yet
We've only seen a handful of Morgan Plus 4 Series II–V models built before 2000 so far. Too few to spot a pattern yet.
Looking at a Morgan Plus 4 Series II–V?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
Check a car’s number plate to see its own MOT record, or come back when there’s more MOT history.

Based on 376 tests of Plus 4 models registered 1955-2000.
Series II–V fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 25+ years old.
How the Plus 4 Series II–V compares
At each age below, see how the Plus 4 Series II–V holds up against other cars the same age. The averages combine all fuel types.
Based on 1,995 tests across 3 Morgan models, built before 2000 (over 25 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Leaks
Worth checkingInspect the leaks carefully and ask the seller for repair history.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Axles & Wheels
Worth checkingInspect the axles & wheels carefully and ask the seller for repair history.
Brakes
Worth checkingInspect the brakes carefully and ask the seller for repair history.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Other convertibles to compare
Other convertibles, with each one's figures taken at the same age as the Plus 4 Series II–V.
- 1

Mercedes-Benz SL
Same body type, tested at the same age
- Fail rate
- 17.1%
- Still registered at 10 years
- 90.5%
No clear edge over the Morgan Plus 4 Series II–V on these figures.
Some figures could not be compared for these two cars. So this comparison uses the fail rate and recalls only.
5,842 MOT tests on cars built before 2000
- 2

Mazda MX-5
Same body type, tested at the same age
- Fail rate
- 27.2%
- Still registered at 10 years
- 97.6%
No clear edge over the Morgan Plus 4 Series II–V on these figures.
2 critical recall campaigns matching this model/build period.
16,460 MOT tests on cars built before 2000
- 3

MG B
Same body type, tested at the same age
- Fail rate
- 15.5%
No clear edge over the Morgan Plus 4 Series II–V on these figures.
Some figures could not be compared for these two cars. So this comparison uses the fail rate and recalls only.
2,865 MOT tests on cars built before 2000
- 4

Alfa Romeo Spider
Same body type, tested at the same age
- Fail rate
- 25.8%
No clear edge over the Morgan Plus 4 Series II–V on these figures.
Some figures could not be compared for these two cars. So this comparison uses the fail rate and recalls only.
1,562 MOT tests on cars built before 2000
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
How many are still registered
Not enough registration data to show this for the Morgan Plus 4.
The share still registered can reflect demand, the cost of repairs, exports, write-offs and how owners use the car. It isn't proof of how long the car lasts mechanically.
Recall context
DVSA's recall list has no recalls filed under the Morgan Plus 4 name. For the exact car, check with the maker or GOV.UK's recall checker.
Most common issues on Morgan Plus 4 models of this age
This list covers every Morgan Plus 4 built before 2000, whichever generation it is. We don't have a defect list for the Series II–V on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 112.2%Advisory
Oil leak, but not excessive
- 25.0%Advisory
Tyre slightly damaged, cracking or perishing
- 34.0%Advisory
Wheel bearing has slight play
- 43.5%Advisory
Brake binding slightly
- 52.6%Major
Brakes uneven from one side to the other
Based on 377 tests
Looking at a Morgan Plus 4 Series II–V?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built before 2000 (over 25 years old), the Morgan Plus 4 Series II–V (1955-2000) fails MOTs noticeably less often than typical for this age. This is based on 376 25+ year old MOT tests from DVSA data. Each retest counts as a test.