Volvo 1800se vs Volvo Unknown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Volvo 1800se
60%
MOT pass rate · 1 vehicles
Volvo Unknown
86%
MOT pass rate · 319,034 vehicles
Verdict: On MOT pass rate the Volvo 1800se (60%) and Volvo Unknown (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Volvo 1800se | Volvo Unknown |
|---|---|---|
| MOT pass rate | 60% | 86% ✓ |
| MOT failure rate | 40% | 14% ✓ |
| Faults & advisories per test | 6.6 | 0.7 ✓ |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 77,150 mi | 431,427 mi |
| Sample size (vehicles) | 1 | 319,034 |
Most common faults
Volvo 1800se
- Passenger seat(s) missing at time of test
- advise more securing clips would be adviseable to secure new fuel and new brake pipes which have been fitted
- exhaust is catching on engine bell housing and rear floor
- headlamp main beam warning light does not operate when headlights are on mainbeam
- Brakes imbalanced across an axle (3.7.B.5b)
- Nearside Seat belt damaged but webbing not significantly weakened (5.2.2a)
Volvo Unknown
- Oil leak, but not excessive (8.4.1 (a) (i))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Parking brake efficiency below requirements (1.4.2 (a) (i))
- Service brake efficiency below requirements (1.2.2 (a) (i))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate the Volvo 1800se (60%) and Volvo Unknown (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Volvo 1800se report Full Volvo Unknown 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.