Toyota Corolla vs Toyota Unkown: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Corolla
75%
MOT pass rate · 392,209 vehicles
Toyota Unkown
64%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Toyota Corolla (75%) and Toyota Unkown (64%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Toyota Corolla | Toyota Unkown |
|---|---|---|
| MOT pass rate | 75% ✓ | 64% |
| MOT failure rate | 25% ✓ | 36% |
| Faults & advisories per test | 1.7 | 1.5 ✓ |
| Dangerous-fault share | 1% ✓ | 5% |
| Average mileage | 111,428 mi | 244,301 mi |
| Sample size (vehicles) | 392,209 | 1 |
Most common faults
Toyota Corolla
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Child seat fitted not allowing full inspection of adult belt
Toyota Unkown
- front number plate deterioating
- 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))
- Centre Upper Stop lamp not working (1.2.1b)
- Rear Rear fog lamp not working (1.3.2b)
- Nearside Windscreen wiper does not clear the windscreen effectively (8.2.2)
Reliability FAQ
On MOT pass rate the Toyota Corolla (75%) and Toyota Unkown (64%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Toyota Corolla report Full Toyota Unkown 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.