Toyota Corolla sr vs Toyota Yaris: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Corolla sr
76%
MOT pass rate · 5,036 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
More reliable
Verdict: On MOT pass rate, the Toyota Yaris is the more reliable of the two — 78% pass first time versus 76%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Corolla sr | Toyota Yaris |
|---|---|---|
| MOT pass rate | 76% | 78% ✓ |
| MOT failure rate | 24% | 22% ✓ |
| Faults & advisories per test | 0.1 ✓ | 1.7 |
| Dangerous-fault share | 0% ✓ | 2% |
| Average mileage | 108,462 mi | 85,387 mi |
| Sample size (vehicles) | 5,036 | 631,425 |
Most common faults
Toyota Corolla sr
- Offside Inner Rear Suspension component mounting prescribed area is corroded but not considered excessive (2.4.A.3)
- Offside Front brake disc excessively pitted (3.5.1h)
- rear number plate poor condition
- Exhaust has a minor leak of exhaust gases (7.1.2)
- Front brake disc slightly pitted (3.5.1h)
- Rear brake disc slightly pitted (3.5.1h)
Toyota Yaris
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate, the Toyota Yaris is the more reliable of the two — 78% pass first time versus 76%. It's one signal among several; check the full breakdown below.
Full Toyota Corolla sr report Full Toyota Yaris 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.