Toyota Corolla vs Toyota Sx: 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 Sx
83%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Toyota Corolla (75%) and Toyota Sx (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Toyota Corolla | Toyota Sx |
|---|---|---|
| MOT pass rate | 75% | 83% ✓ |
| MOT failure rate | 25% | 17% ✓ |
| Faults & advisories per test | 1.7 ✓ | 2.7 |
| Dangerous-fault share | 1% ✓ | 3% |
| Average mileage | 111,428 mi | 231,965 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 Sx
- Rear Exhaust has a minor leak of exhaust gases (7.1.2)
- all brake discs corroided
- all four tyres close to legal limit
- rad leaking
- Centre Exhaust system not adequately supported (7.1.1)
- Exhaust has a major leak of exhaust gases (7.1.2)
Reliability FAQ
On MOT pass rate the Toyota Corolla (75%) and Toyota Sx (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Toyota Corolla report Full Toyota Sx 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.