Morris 1800 s vs Morris Marina 1.8 sdl: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Morris 1800 s
77%
MOT pass rate · 1,824 vehicles
Morris Marina 1.8 sdl
77%
MOT pass rate · 115,207 vehicles
Verdict: On MOT pass rate the Morris 1800 s (77%) and Morris Marina 1.8 sdl (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Morris 1800 s | Morris Marina 1.8 sdl |
|---|---|---|
| MOT pass rate | 77% | 77% |
| MOT failure rate | 23% | 23% |
| Faults & advisories per test | 1.2 ✓ | 1.3 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 56,124 mi | 65,539 mi |
| Sample size (vehicles) | 1,824 | 115,207 |
Most common faults
Morris 1800 s
- Exhaust has a minor leak of exhaust gases (7.1.2)
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Nearside Front Brake hose slightly deteriorated (3.6.B.4d)
- Offside Front Brake hose slightly deteriorated (3.6.B.4d)
- Spare tyre defective
- Brakes imbalanced across an axle (3.7.B.5b)
Morris Marina 1.8 sdl
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Brakes imbalanced across an axle (3.7.B.5b)
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Parking brake lever has no reserve travel (3.1.6b)
Reliability FAQ
On MOT pass rate the Morris 1800 s (77%) and Morris Marina 1.8 sdl (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Morris 1800 s report Full Morris Marina 1.8 sdl report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.